I currently am an ATT user. i would like to get an iphone. im thinking of getting one off cragslist ive seen a few there. is it possible to use for instance "Media Net" with the iphone for internet and stuff rather than getting the iphone data plan. cuz i dont think i could really afford the $70 or so a month. or does anyone know how i could get the iphone data plan down some like under 70? the unlimited data for my current phone, which includes internet, text, and stuff, is only about $30 a month. so could i just switch sims or something? i really want to one. and i heard that the 8gb version isnt really 8gb a little of it goes to the phone aspect of it. but the 16gb are pretty expensive and i have quite a bit of music and i would definatley get some apps. oh and i have a samsung a737 with 3g service. thanks ------------------double post merged------------------anyone?