[pukicabuki]

If you look at it from a collectible standpoint then find one with as few miles as possible that is all original. Clean stock ones are rare. You'd have to hang onto it for the long term though. There is no money to be made as a short term investment type of situation.

If you're wanting a fun car to enjoy then buy one with an LS swap and beat the crap out of it. Its a great chassis with a crappy drivetrain in stock form but the LS swap fixes that.