So, we already have the next sale now to celebrate the today's release of "Big Picture", a tv friendly interface. To celebrate this, Steam has some controller friendly games on sale until the 10th of December. here is the link to the games:

http://store.steampowered.com/sale/big_picture_release

I recognized that you get different games if you reload the page so those games you see first seem to be not the only games on sale then.

i get the feeling you could call some games on sale for 340 days a year now lol