If you have a data package, you can easily use your phone as a modem for your laptop. I just installed the trial of PDAnet and it's amazingly fast. I think I'll be buying it instead of spending the money on an air card. It's a hell of a lot cheaper!!
Check out the link if you don't know about it already. http://www.junefabrics.com/pdanet/
Check out the link if you don't know about it already. http://www.junefabrics.com/pdanet/