Ipad 2 ( Verizon or ATT)

I have ATT... and personally I suggest Verizon. However, if you're normally in range of Wi-Fi and have a smartphone capable of creating a hotspot then why not get a Wifi w/o 3g ipad2. Cheaper and you can use the data you are already paying for with your smartphone but on the iPad.

Good luck finding one. All 6 models are sold out at all Apple, Best Buy, Target's and Walmart's within 100 miles of me. Apple.com is a month long wait.

But I digress...

AT&T has faster data speeds but Verizon has a better coverage. So it all depends on where you live and how widely AT&T towers are available.

I own an iPad 1 64gb Wifi and I've never found myself wishing I had gotten the 3G version.

Edit: To answer your last question I'm not sure if it is possible. When I had a Blackberry I used to tether my Macbook Pro to it when outdoors at the park often (without a tethering account).....but I had Blackberry modem drivers on my Macbook Pro.

Ive used both and i can attest that AT&T are "CUNTS" that's French for fucking assholes

At&t provides much faster data speeds in recent reviews.