Sony 6″ Touchscreen eReader with Wi-Fi

Cost: $119

File Types Supported: ePub, PDF, Adobe DRM, JPEG, PNG, GIF, BMP, MP3, AAC, TXT

Screen: 6” E Ink Pearl™ with Clear Touch Infrared Technology, 16 level gray scale 600 x 800 pixels

Battery: Single charge lasts over a month with wireless off based upon a half-hour of daily reading time. Up to 14,000 continuous page turns

Reviews: Engadget

Kindle Keyboard

Cost: $139

File Types Supported: Kindle (AZW), TXT, PDF, Audible (AA, AAX), MP3, unprotected MOBI, PRC natively; HTML, DOC, JPEG, GIF, PNG, BMP. NO ePUB SUPPORT

Screen: 6″ diagonal electronic paper display, 600 x 800 pixel resolution at 167 ppi, 16-level gray scale.

Battery: A single charge lasts for up to two months with wireless off based upon a half-hour of daily reading time.

Reviews: Engadget