Go on, Fusion Garage -- get down with your bad self. While we'd previously heard that the outfit's $399 Grid 4 smartphone wouldn't hit shelves until "closer to Q4," a surprise stop by the FCC this morning makes us cautiously optimistic that it'll happen -- at least in the US -- sooner rather than later. For those who've forgotten, this guy's packing a 4-inch 800 x 480 LCD, dual-core Qualcomm CPU,
