Thanks to the increased size, PDFs are very readable in landscape mode with no need for zooming or font size changes. The drawback is that there are about 3 screens per page (lots of virtual screen turns per PDF page). Otherwise, the functionality is quite similar to the PRS-600.
My first look review is here:
http://www.mobiletechreview.com/ubbt...p?Number=35512
We should have a video review up tomorrow (Weds.) afternoon.