ok heres a message to all ps3 users (unless you have the new slim)
DO NOT USE THEM for at least 24 hrs. Why? because all big ps3s wont go on psn and data dissapears. Ive now lost all my trophys and the DLCs i had. The same will happen to you
Only with the fat versions. Sony released a statement saying none of the slim PS3's are affected.
Also, they are working on the problem now, as it is something to do with the latest patch they released.
I've heard rumours of a fix being ready for tomorrow, but so far thats just a rumour...for now AVOID buying any games for the PS3, as you will not be entitled to your money back, as it is your PS3 thats at fault not the game.
Just keep googling everyday, and hope for the best.