If you are on T-Mobile and have been anxiously awaiting the day to arrive for you to be able to place your order for the Samsung Galaxy S II, you're in luck. The Samsung Galaxy S II is now available for your pre-ordering pleasure, and if you are on the fence be sure to check out this hands-on to help steer you in the right direction. For those with an upgrade, or signing a new two year deal the device will be $279 out the door and a $50 mail in rebate, or if you have to go the full retail route it will run you $529. 

Source: T-Mobile