I'm curious as to why we're seeing a large number of 7" tablets and few 10" tablets. Usually there are more than a few hardware manufacturers copying the form-factor of Apple designs very closely.

TechCrunch's excerpt of CrunchGear's summary of Engadget's summary of

http://online.wsj.com/article/SB1000142405274870386010457550...

currently have the 5" dell streak, amazing phone / tablet, barely turned on my pc at home since I got it.

5" makes more sense to get people using them. 7 will just be too much for most people to carry all the time and get use out of.