The T-mobile Vibrant (aka Galaxy S) is $499 off-contract from T-mobile, with 16 GiB of internal storage. You can call them and unlock it for free immediately.

The T-mobile Vibrant (aka Galaxy S) is $499 off-contract from T-mobile, with 16 GiB of internal storage. You can call them and unlock it for free immediately. This is slightly different from the quoted $600 with 8 GiB internal. /pedantry