I am a total Apple person and have two iPad 2 that I use
all day (and all night, according to the wife) Both iPads
are 64g, the 2d one I bought on eBay saving $400 off list
because it has Verizon G4 capability. I believe Apple is
the best because the platform, iOS4, now upgraded to
iOS5, is the best. BUT, and it is a big but, Apple does
not support Adobe Flash. And all of the stock streaming
tickers are using flash. Many PDFs and video presentations
are in flash. So I had to buy another tablet that uses
Android just to use for trading. The best choice I found
is the Toshiba Thrive. It only goes up to 32GB memory
but you can plug in memory, amount limited only by your
wallet, which you can't do with Apple. Hope this helps.