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Below you'll find the E-reader review in progress by the Mann e-reader group.

Comparison of E-Readers

 

Apple iPad

Apple iPod Touch

Amazon Kindle 2

Amazon Kindle DX

Kindle WiFi

Barnes & Noble Nook

Sony Daily Edition

Sony Touch

Link

iPad

iPod Touch

Kindle 2 (older 2nd gen)

Kindle DX

latest version of Kindle

Nook; Nook Color

Reader Daily Edition PRS-900BC

Reader Touch PRS-600SC

Available

Now

Now

Now

Now

Now

Now

Now

Now

Price

WiFi: $499-699 3G/WiFi: $629-829

$199/$299/$399

$189

$379

$139 wifi/$189 wifi + 3G

$149 WiFi
$199 WiFi and 3G

$299

$169

Size

.5 inches thick

4.3x2.4x.33 in. 

8 x 5.3 x 0.36 inches

10.4 x 7.2 x 0.38 inches

7.5" x 4.8" x 0.335" 

7.7 x 4.9 x 0.5 inches

8.13 x 4 x 19/32 inches

6.9 x 4.8 x .4 inches

Weight

1.5 lbs.

4 oz. 

10.2 oz.

18.9 oz.

8.5 oz.

12.1 oz.

12.75 oz.

10.1 oz

Screen Size

9.7 inches

3.5 in. 

6 inches

9.7 inches

6 in.

6 inches

7.1 inches

6 in.

Display

Backlit IPS Color

 

Grayscale

Grayscale

Grayscale

Grayscale and color versions

Grayscale

Grayscale

Touchscreen/Rotate

Yes/Yes

Yes/Yes

No/Manual

No/Yes

No/Yes

Yes/No

Yes/Yes

Yes/?

Battery Life

11 hours

30 hrs audio; 6 hrs video

7 days with wireless Whispersync on

7 days with wireless Whispersync on

3 weeks with wireless on; one month w/wireless off

10 days/8 hours for Nook Color

7 days with wireless on

2 weeks/6,800 (ePub) Continuous page turns; 7,500 (BBeB Book) Continuous page turns

Storage/Expandable

16GB; 32GB; 64GB/No

8 GB; 32 GB; 64 GB/No

2GB/No

4GB/No

"doubled storage"/No

8GB/Yes (microSD)

1.6GB/Yes (Memory Stick Duo/SD)

512 MB/Yes (~ 380MB Dual Memory Card Expansion Slots for Memory Stick PRO Duo™ and SD Card™ up to 16GB)

Input

Touchscreen/Soft keyboard (wireless keyboard available)

Touchscreen/virtual keyboard

Keyboard

Keyboard(kind of hard to use and "joystick" feature not as easy as touchscreen)

Keyboard(kind of hard to use and "joystick" feature not as easy as touchscreen)

Touchscreen/Virtual keyboard

Touchscreen/stylus/virtual keyboard

Touchscreen/stylus/virtual Keyboard 

Wireless/Bluetooth

3G through AT&T/Verizon plans

WiFi/Bluetooth

Units sold through Oct. 22, Sprint 3G; Now 3G/roaming through AT&T/No

3G (Whispernet/AT&T)

3G (Whispernet/AT&T)

3G (AT&T)/WiFi

3G (AT&T)/WiFi

No

International (as of around 4/10)

No deals yet; 3G unlocked

 

3G Roaming (AT&T)

3G Roaming (AT&T)

 

No

No

No

Native Formats

EPUB; Audible; additional formats through apps (including Kindle, Nook, Google eBookstore, Stanza, etc) 

EPUB; Audible; additional formats through apps (including Kindle, Nook, Google eBookstore, etc); other ebook readers like Stanza

Kindle (AZW), Native PDF, TXT, Audible (formats 4, Audible Enhanced (AAX), MP3, unprotected MOBI, PRC

Kindle (AZW), Native PDF, TXT, Audible (formats 4, Audible Enhanced (AAX), MP3, unprotected MOBI, PRC

Kindle (AZW), Enhanced Native PDF, TXT, Audible (formats 4, Audible Enhanced (AAX), MP3, unprotected MOBI, PRC

EPUB, eReader, Google eBookstore; PDFs, MP3s, JPEG, GIF, PNG and BMP.

EPUB, Google eBookstore, PDF, JPEG, BBeB, TXT, RTF, JPEG, PNG, GIF, BMP , MP3, AAC

EPUB, PDF, Google eBookstore, BBeB, TXT, RTF, Word, JPEG, PNG, GIF, BMP, MP3, AAC

Platform

Open to approved third-party developers

Open to approved third-party developers 

Closed now but SDK has been released for upcoming beta and store with approved third-party developers

Closed now but SDK has been released for upcoming beta and store with approved third-party developers

 

Closed

Closed to developers; open in terms of multi-format, non-DRM use.

Closed to developers; open in terms of multi-format, non-DRM use. 

Browser

Safari

Safari

Yes (experimental) in U.S., Japan. NA in most countries.

Yes (experimental)

Yes (experimental)

No

No

No

Available Content

"Over 150,000"  iBookstore titles; and other ebookstore content through apps; access to public libraries through OverDrive; public domain

"Over 150,000"  iBookstore titles; and other ebookstore content through apps; access to public libraries through OverDrive; public domain

More than 750,000 ebooks, newspapers, magazines, blogs, and popular games & active content (Numbers vary internationally); public domain

More than 750,000 ebooks, newspapers, magazines, blogs, and popular games & active content (Numbers vary internationally); public domain

More than 750,000 ebooks, newspapers, magazines, blogs, and popular games & active content (Numbers vary internationally)

350,000 books for sale, public domain; about 30 newspapers, magazines. Google Books brings titles to 1 million

Includes public domain, access to public libraries through OverDrive

Includes public domain, access to public libraries through OverDrive

Bookstore

iBookstore; Google eBookstore; any store that sells ePUB or PDF versions of ebooks

iBookstore; Google eBookstore; any store that sells ePUB or PDF versions of ebooks

The Kindle Store

The Kindle Store

The Kindle Store

Barnes and Noble eBookstore, Google eBookstore

Sony eBook Reader Store (converting to EPUB this year), Google eBookstore, Borders eBooks, any store that sells ePUB or PDF versions of ebooks

Sony eBook Reader Store (converting to EPUB this year), Google Books, Borders eBooks, any store that sells ePUB or PDF versions of ebooks  

Book Sharing

Across devices, apps on same account

Across devices, apps on same account 

Between devices, Kindle apps on same acct.; 14 day book lending coming "later this year"

Between devices, Kindle apps on same acct.; 14 day book lending coming "later this year"

Between devices, Kindle apps on same acct.; 14 day book lending coming "later this year"  

14 days on many titles

No

No

Microphone/Speakers

Yes/Yes

Yes/No

No/Yes

No/Yes

 

No/Yes

No/Yes

No/No

Archive

Apple iTunes (local)

Apple iTunes (local)

Amazon (in the cloud)

Amazon (in the cloud)

Amazon (in the cloud)

Barnes & Noble

Sony

Sony

Annotation

Yes

Yes

Yes

Yes 

Yes

 

Y

Y

Highlighting

Yes

Yes

Yes

Yes 

Yes

 

Y

Y

Formatting and page locations/ease of citation

Resizeable font and page locations on iBookstore titles; resizeable font and page numbers as well with Google ebooks

Resizeable font and page locations on iBookstore titles; resizeable font and page numbers as well with Google ebooks

Resizeable font but only percentage of books not page locations

Resizeable font but only percentage of books not page locations

Resizeable and expanded selection of fonts but only percentage of books not page locations

 

 

 

Individual registration/sign in

Yes

Yes

Yes and can create group account

Yes and can create group account

Yes and can create group account 

 

 

 

Resizeable fonts

Y

Y

Y

Y

Y

Y

Y

Y

Screen Resolution

?

480 x 320 pixels (163 ppi); 

600 × 800 pixels (167 ppi) 

825 × 1200 pixels (150 ppi) 

 

600 × 800 pixels (167 ppi) 

600 x 1024 pixels

600 × 800 pixels

Shades

?

?

16

16

 

16

16

8

Integrated Dictionary

Y

Y

Y

Y

Y

Y

Y

Y

User-replaceable battery

N

N

N

N

N

Y

Y?

Y?

Text-to-Speech/Accessibility

Y

Y

Y (experimental)

Y (experimental)

Y (experimental and now voice menus for accessibility)

N

N

N

Operating System

iOS 4 (like iPhone)

iOS 4 (like iPhone)

Linux

Linux

Linux

Android/Linux

Montavista Linux

Montavista Linux

Platforms

Apple iPad

Apple iTouch

Amazon Kindle 2

Amazon Kindle DX

 

Barnes & Noble Nook

Sony Daily Edition

Sony Touch

Springer ebooks and articles

PDFs through GoodReader or other PDF apps; with iOS 4 iBooks now has integrated PDF support

PDFs through GoodReader or other PDF apps; with iOS 4 iBooks now has integrated PDF support  

PDFs can be formatted as AZW through email conversion or transferred via USB

PDFs can be formatted as AZW through email conversion or transferred via USB

Enhanced Native PDF support (dictionary, notes, etc)

 

Y

Y

Elsevier ebooks and articles 

PDFs through GoodReader or other PDF apps; with iOS 4 iBooks now has integrated PDF support  

PDFs through GoodReader or other PDF apps; with iOS 4 iBooks now has integrated PDF support  

PDFs can be formatted as AZW through email conversion or transferred via USB 

PDFs can be formatted as AZW through email conversion or transferred via USB 

Enhanced Native PDF support (dictionary, notes, etc)

 

 

 

Google eBookstore and Scholar  (depending on publisher restrictions)

Y

Y

Scholar: yes, depending; eBookstore: no

Scholar: yes, depending; eBookstore: no

Scholar: yes, depending; eBookstore: no

Y

Y

Y

Internet Archive

Y

Y

Y except EPUB versions

Y except EPUB versions

Y except EPUB versions 

Y

Y

Y

CUL collections

depends on format (Y for PDF)

depends on format (Y for PDF) 

depends on format (Y for PDF) 

depends on format (Y for PDF) 

depends on format (Y for PDF) 

depends on format (Y for PDF) 

Y

Y

Ebrary


 

 

 

 

 

 

 

My iLibrary

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

Y but dependent on publisher and institution limits (10 pgs/PDF per download)

NetLibrary

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

N (though with forthcoming EBSCO integration it looks like 60 PDF pgs at a time can be downloaded)

Books 24/7/Safari

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overall Rating

 

 

 

 

 

 

 

 

Based on Comparing E-Readers | January 2010, first published Jan. 29 and was last updated at 10:30 p.m. ET Jan. 31. // Edited by Staci D. Kramer. Based on manufacturer information, additional reporting.http://paidcontent.org/table/e-reader-comparison-chartand Wikipedia: http://en.wikipedia.org/wiki/List_of_e-book_readers and http://en.wikipedia.org/wiki/Comparison_of_e-book_formats

Other readers/mobile devices to possibly consider in the future:

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