Jerry--
My husband reads a lot of technical PDFs. He had a 900 and has since upgraded to the 650. He said he actually likes the way the 650 works with PDFs in landscape mode better than the 900/950. The 650 will split the PDF into two sections when displaying landscape whereas the 900/950 will split it into thirds. Of course the text on the 650 is smaller than the text on the 950, but per my husband is still very readable.
He decided to go with the 650 mostly because of the size. The added cost of the 950 was a factor as well. Since he doesn't use the wireless connection on his 900 and couldn't foresee wanting to use it on the 950 that wasn't a consideration for him.
Now, when I saw the 950 in the Sony Store, I thought it was very light--but of course it didn't have a cover on at that time. My husband's 950 is quite a bit heavier than the 900s. Even with the 900 in its case though, it was almost exactly the size/weight of my nook in its case. I like the portability of my 650 quite a bit better than my nook.
dordale
