Well, it was fun while it lasted, but it looks like Virgin Mobile customers in the US will soon have to make do without their truly unlimited $40 data plan. Starting on February 15th, that will be replaced with a new plan that gives you 5GB of unhindered data use, and throttled bandwidth for anything used beyond that limit. For its part, Virgin says that most customers who use the BB2Go plan for "internet surfing and reasonable downloading will likely not be impacted/notice any difference," but we're sure there's plenty of folks out there that will beg to differ. As you may recall