What do you want to do with it? If you're autocrossing start with the suspension and brakes. If you're looking for a street car go with the basics (intake, catback, pulley(s), plugs, wires, springs). Cams are a HUGE bennefit, so is a well designed header/high flow cat combo. Just be resourceful, take everything you read on the boards with a grain of salt, and use common sense. If you're unsure whether or not to spend $$ ask, filter through the BS and you'll find answers.