T-Mobile has announced today that it'll be retailing its latest Galaxy variant — the Galaxy S Blaze 4G — next Wednesday, March 21st. It'll only be available in "select" locations on that date, but the carrier's website and the remainder of its brick-and-mortar locations will pick it up a week later, March 28th. Though it's no Galaxy S II successor, the Blaze 4G makes a fitting follow-on to the Galaxy S 4G with 42Mbps support and a 3.97-inch display — a size that many still consider to be the "sweet spot" for a smartphone. If you pick it up, expect to spend $149.99 on contract.