I think Apple's "Get a Mac" ad campaign is backfiring. At least for me.The series of television commercials, which stars a laid back hipster (Justin Long) as the Mac Guy and a pudgy, nerdy schlub (John Hodgman) as the PC Guy, is actually making me hate Macs. Why? Well, frankly I find the Mac Guy reminiscent of all those too-cool-for-school hip dudes at bars who talk about how they're way into Jenny Lewis and they want to go to Thailand and have you read David Foster Wallace's p