Well, would you look at this? Dell's not-at-all-boisterous launch of numerous R-rated Inspirons left us with far more questions than answers (you know what we mean, J.J. Abrams?), but now things are starting to come together somewhat. We're guessing some of the mystique surrounding the M501R has to do with the power plant within, because so far as we can tell, AMD has never shipped a Phenom II X4 within a laptop. Sure enough, this he