It may be a Vibrant with Froyo, a front-facing camera and a thing for Joseph Gordon-Levitt, but it's still downright enviable when you consider the Galaxy S 4G's innate support for 21Mbps downloads. As of today, neither Samsung nor T-Mobile USA have been perfectly clear about how much they'd be demanding for this guy, but thanks to a leaked pricing sheet from Walmart, it looks as if it'll be a so