I am currently selling my shift knob and leather boot that was removed from my 01 Boxster. It will fit models 97-04. It is used, but the boot looks like new. The knob has a few scratches on it. Here is the direct link for it on e-bay.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=012&sspagename=STRK%3AMESE%3AIT&viewitem=&item=220129732765&rd=1,1