Introduction   So here's my contribution to the growing collection of reviews on Rock Jaw's Alfa Genus. For those of you interested in purchasing a pair, hopefully this is a useful addition; for the rest of you, another post on Head-Fi with which to while away the time!   Before we get underway, it would be remiss of me not to thank Rock Jaw for sending a pair to review, the opportunity is appreciated.   I'm going to take the slightly indolent approach of skipping a detailed description and comments on aesthetics, accessories &c. as these...