I got many user with downloaded game in my ps3 from terion.Now I want to change HDD of my ps3.Do I need to deactivate my ps3? Because some people say I need to deactivate it because if not I cant play the game again after I redownload it but some say only just redownload the game.Who can tell me which one is correct? One more,What is the size of ps3 HDD that can fit? I know its 2.5" but what is the exactly size?