The RollingStone.com Gift Guide has twice as many gift ideas as appear in the magazine. But perhaps more importantly, half of its eight categories are tailored for the Gear Up reader: Audio/Video, Photo, Laptops/Tablets, and Toys/Games. Feeling spend-y? Get spend-y. Thinking practical? That works, too. If it's not in here — well, you'll read about it in Gear Up later.