Been reading about this for a few days and thought I'd mention it to you folks. The ESRB (game ratings board) has changed GTA:San Andreas's rating from M (Mature) to AO (Adults Only) after a mod appeared on the internet that unlocks explicit sexual content in the game.
Here is a link:
The important thing here is that the mod didn't add the content, it unlocked content that was already in the game. Because of this rating change, just about all the big game retailers have yanked the game since they have policies against selling AO games.
I, for one, am damn pleased by the decision, but I know others will disagree.