Bose may be best known for its active noise-cancelling headphones, but that doesn't mean it's a stranger to the plain ol' passive types. Take for instance its latest duo of supra-aurals, the $150 OE2 and the $180 OE2i (which merely adds an iDevice compatible inline remote / mic for those extra Hamiltons). Put simply, these cans are an evolutionary update to the company's TriPort OEs, promising a more comfortable fit from memory foam padding, and improved sound qua