Every year, Apple rolls out a super-cool, super-expensive gadget to replace our already perfectly functioning devices, and every year, everyone seems to want one. But the iPad's been controversial, and not everyone here at the Spec office is convinced they need one. Then again, we've already been suckered into had our lives made easier by the iPod, the iPod Mini, the iPod Nano, the iPod Shuffle, the iPod Touch, the iPhone. So, we're curious...