Here's a preview from Engadget. Overall it's positive. The only things I can see that I really don't like about WP7 is the lack of multitasking and the Facebook integration (I might actually be able to live with no copy and paste). My biggest problem with the Facebook stuff is that certain people, like me, who don't use Facebook that much or not at all, won't need all the Facebook stuff. Also, say in a few years Facebook loses popularity when the next big social networking site comes around. Remember when Myspace was all the rage and Facebook was only used by college kids?
http://www.engadget.com/2010/07/19/w...depth-preview/