You rent games from them, and now they're returning the favor and giving you a free console to keep.
That is - so long as you sign up for a membership within the month of December, automatically entering you into the Player's Choice Sweepstakes
. Each day a new winner is pulled at random, and you'll have the selection of an Xbox 360, PlayStation 3, or the Nintendo Wii console. Pretty sweet Christmas gift, I'd say.