The changes for the 1.0 version of the Boxee software are significant to say the least. It looks like they've completely redone the interface in fact, keeping only the concept, but reworking the layout completely. The images in the thread I'm linking below are not that impressive - I really hope they didn't knock the cover view down to only 2 rows... Not everyone is using a 15" display - I can see more than 2 rows perfectly fine from 10 feet away on my 55" screen.

http://forums.boxee.tv/showthread.php?t=21673