If you don't consider yourself mechanically inclined, I suggest that you find a very reputable independent Porsche mechanic and have the shop look over your car. There's a really good, long thread on the board here that lists local shops that people on the board recommend.
Find your local mechanic/porsche specialist
A word on owning a Porsche. You probably realize this, but the car is not going to be as inexpensive to own as a typical Saturn. Parts are more expensive, labor rates are higher, and they sometimes have quirky problems that Porsche may never have addressed.