Other than the frenzied anticipation for the coming breed of tablet PCs, the one topic that dominates the mindspace of the technorati these days is the world of e-readers. More specifically, a great debate is brewing; each of the e-readers and their associated online book stores favor differing standards and file formats, and we may have another good ole fashioned format war on our hands. (Nothing gets a techie's blood pressure going more than watching as competing technologies duke it out.) Format wars are to the tech world what elections are to politics, or what playoffs are to sports: a...