i will say the fat . Yes...slim may be good , but the fat 60g was made to last i still got my original 60g ps3 fat( well 3 ylods etc lol ) , and throw the years i just screw 2 slims, they actually sucks , they are made to last a year lol , then HD problems etc. slim suck
if u take care of your fat ps3 it will live forever lol.