Today, we have some good news for T-Mobile customers — the long awaited Samsung Galaxy S III is finally available for purchase. T-Mobile is the first of the five major carriers to offer the device as available for purchase online and through some retailers across the country. Unfortunately, T-Mobile is charging the most out of any carrier for its branded Galaxy S III. Since there are literally no differences between the carrier’s Galaxy S III, it’s hard to attribute the increase in price. Nonetheless, here is how it breaks down: the 16GB model will cost $279.99 on a two year contract following a $50 MIR, and the 32GB model will cost $329.99 following a $50 MIR. T-Mobile never held a pre-order opportunity, so if you are interested in purchasing the smartphone, click the link here and you can begin the process. We would also like to remind our readers that select major cities in America will have the Galaxy S III in stock. Other retailers will receive its stock in about six days from now.