Have you started your holiday shopping yet? Chances are, if you're anything like Yahoo, it's still a long way off, but you could already have missed the boat on a few of this holiday season's top gaming gifts.
Chief among the culprits is Activision's Guitar Hero: World Tour, which adds drums and vocals to the enormously popular music game series. Following an investor conference call this week it emerged that World Tour is virtually sold out at present, and Activision considers it unlikely that it'll be able to get enough copies to stores to meet holiday demand.
