I got a Sony a little while after NatCh and I use it every day. I reload it about once a week and that recharges it. I am still getting about 1,700 pages per bar on the battery.
I am right handed and the button placement is fine for the way I hold a book. Would I buy another Sony? Yes! I have never marked in books do the extra features of the iLiad are meaningless to me. For the next reader I am hoping for something with a larger screen made of plastic (not glass.)