I just switched from Verizon to T-Mobile because I wanted to be able to use the same phone in the U.S. and abroad, along with SIM cards. However the phone I got (Nokia 6133) doesn't have great sound quality, so I was going to replace it with another T-Mobile quad-band phone. In the meantime Verizon called me up and said they offer combination CDMA/GSM with SIM cards (they ...


