Mostly the resolution, speed of processor and the weight is what make the difference. It is not enough to need to upgrade, it is simply like comparing a 20" TV to a 23" TV, it is only a very small difference.
The ipad and ipad 2 are similar but the Ipad2 is a little better. They upgraded the software and gave it a camera both regular and front facing. Also since it has a front facing camera it can face time or video chat. Also the ipad 2 is a little lighter and slimmer
the ipad1 is better because it is bigger and i love it .
no
Yes
Ipad2
Yes
probably some how i cant see a lead on the market that will allow u to maybe by wifi
Yes.
It just needs a rest, so when that happens just stop playing on you're iPad for a while.
the space bar is in the usual place it is except it is on the screen. (if you cant find it, it can also be the underscore) hope i helped :)
If you travel the wi fi one
Hello.. Well I don't think that blackberry playbook is better than ipad2.. ipad2 have better features.