Adland.tv shares "a lot more info(rmation) on the spots that will be airing and when. This year is no different than any other with a long list of celebrities... So let's get on to the most complete spoiler alert on the web..."
There are teasers and full the ones (already!). Your overlord can't wait for the big game's commercials/ad(vertisement)s/spots. ;)
2/3/2013 8:11 AM PST: This link was updated as of 1/31/2013. However, check its home page for newer ones.