If you have never owned a Boxster before, do you have a friend who can do a quick once over on the car?
There are hundreds of Boxsters for sale and as it is starting to get cold here (I live in Sanford, south of Raleigh) you may be the only potential Buyer the seller has. I wouldn't pay $25k for an '02S right now unless it was absolutely perfect.
Start your reading
here
If the car is anywhere near....I might be able to help you.