We're not super familiar with the term "steamrolling along" as it applies to device launches, but apparently it's good news for Michael Arrington's CrunchPad tablet. Mike dropped the news on a recent episode of Steve Gillmor's "Gillmor Gang" podcast (like "Gilmore Girls," but with less inter-generational drama), saying that he's not sure where the rumor of cost being too high came from, since costs continue to come down. The "$300 to $400" price range he's quoting is a bit higher than we'd heard previously, but it still sounds pretty go