Rumors have been circulating that Sony was about to release the second edition of its electronic book reader--and now it's official. Sony's new Reader Digital Book, the PRS-505, will hit stores shortly, and while it doesn't look that different on the surface, it's got some notable improvements.Next-generation electronic paper display delivers faster response and a higher contrast ratio, with eight levels of gray scale instead of four.
Slightly thinner profile.
More intuitive button layout allows for easier navigation.
Available in silver and dark blue.