Please bear with me, I'm trying to wrap my head around all this. So if i bought this prepaid sim card from Tmobile...
http://www.t-mobile.com/shop/Phones/...a-000007a2ac12
...as well as did the necessary unlocking on the TP2, I could roam on tmobile if I wanted to? Would I still be using my verizon phone number, or would it be necessary to get another phone number with a GSM provider?