On the iPad 2 I think it will have a front facing FaceTime camera, higher res display, larger memory, airsync so you dint have to always plug into to you're laptop and more RAM for the sakemof better multitasking and web surfing
I think those all sound like awesome and realistic ideas! If it didn't have improved ram and maybe even improved processor, I dont think it would do very good on the market. Air sync I dunno about though. Maybe...
I just thought airsync so that you wouldn't have to keep plugging it in to you're laptop or say if you where abroad and had you're iPad but didn't take you're laptop you'd be able to sync you're stuff to you're computer and if you had you're iPhone/iPodtouch then would-be able to sync the data you got from the iPad on to you're account and then get it on you're iPhone or iPodtouch.