haha!
no u wont need more then that maybe like never >.> (tho you should change to a pentium motherboard + processor)
games such as that u mentioned are well optimized, u played aion right? then the game should of loaded for u in 1 min or 2(till entered world) well thats some bad ass optimization :)
So the only thing u have to worry about from now on is disk space :P