Here is part of Chamber 4's review. Clearly it gives the Sony PRS-300 a run for its money: Seeing as I never cottoned to the BeBook, I was skeptical of another Hanlin ereader. But I was quite impressed by the Pocket Pro. Its big advantage is that it doesn’t sacrifice any features of the 6-inch model, except an inch of screen size. It does music, pictures, and SD cards every bit as well as the 6-inch ereaders that cost $100 more. It has a slightly clunky interface, and a few minor annoyances, but Sony will have its share of little headaches,...

Lisa Gade has a review of this 5" unit and she likes it a lot. I have one, as well as a 5" Astak Pocket Pro and I'll be comparing them for you as soon as I can get some free time. ... Enter the Sony Reader Pocket Edition PRS-300, Sony's first 5" ebook reader. It's got nearly all the features of the PRS-505 (now discontinued) but it's 20% smaller and a bit lighter at 7.76 ounces. We showed it around to a few folks and each and every one exlaimed "wow, I could put that in my pocket!"....

The EZ Reader site is showing updates for both the 6 and 5 inch units. These are: Chinese, Japanese and Korean Font increases of 100%, 200%, 300% and 350% Support for hyperlinks, additional bookmarking and a new search function. Nice to see that they are keeping on top of these units....