i have an iphone...i think somehow they make it faster in the store. because mine is slow sometimes, you would touch a button and it would lag, i don't have that many apps or that many contacts and it still does it. another thing is it doesn't sent picture messages which can such sometimes, but other than that its great, keeps me from getting bored a lot of the times and the battery life is pretty great, unless u have the brightness on full playing games all day. it hasn't let me down except now the screen starts blacking out for some reason, ive had it since august.
3G is awesome, i get on the internet at work where there is no wireless
the data plan is what gets ya though