Also, several of the guys on this site have sites of their own with a lot of info. Here is the link to one of them, run be RandallNeighbour:
http://www.iwantaporsche.net/BoxsterBuyersTips.htm
I also presume that you have seen this thread:
http://986forum.com/forums/showthread.php?t=14685&page=3&pp=20
