In addition to the seasonal games, holiday sweepstakes, and general added fun, Microsoft
has been offering a New Year's Countdown on XBL
that has a deal each day. So far, most of them have been for reduced points, but today it's a free 2010 New Year's theme. Each deal expires at the end of the day, though I don't know if that means midnight eastern, midnight pacific, or midnight Mars time. Whichever it is, it's a chance to get a cool theme free, so don't miss it.