are there reputable sites out there where i can pick up the blackberry curve (or any phone for that matter) at something better than t-mobile invoice pricing? the tmobile service in western new york is dogshit and i dont want to extend my contract just to get a cheaper price by going through them and their upgrade program. customer service with tmobile is second to none. but the 1-bar, 0-bar, 3-bar nonsense is getting old quick. looking for a PDA phone that would work with my tmobile SIM card. but dont want to roll into another contract to get it.