Does anyone know of a systematic comparison of the "I'm a Mac, I'm a PC" commercials? The US and UK ones don't seem very different--as much as it pains me, the UK PC stacks up surprisingly well against John Hodgman.The German and French variants look to be just dubbed version of the US editions. I can't parse the Japanese ones, but they seem to be about as localized (or not) as the UK versions. At the very least, the ads might provide a...