Amazon is having a promotion that if you buy certain PS3 games (LittleBigPlanet2, Uncharted 3, Ico & Shadow of the Colossus,etc.) you get a free month of Playstation Plus, which is a nice little bonus.

Though friendly heads up - if you let the month expire on its own, your account will automatically renew itself and buy more Plus, so watch out for that.

@TBird13: Does this apply to outside the US/Canada?

@NekuSakuraba: From what I gathered it may only be in the US. But take a look at whatever Amazon site you use to double check.

Take a look at one of the games I mentioned and see if any promotions pop up.

Only use these codes if you have a credit card on your PSN account.