Here's an admittedly silly question... Do you ever need to clean the Superdrive? I've got an eMac and 2 cats and a teenager who eats at the computer (I know, I know, but I do it too ) At any rate, I'm mostly worried about dust and cat hair. I know there are kits to clean VCR's but the VCR folks will tell you never to do that 'cause you can scratch or otherwise damage the play head. But, what about the DVD drive? Same story? Don't clean it? Vacuum it?