If any of you older boxster owners haven't upgraded to a 3 spoke and want to do it, here's a wheel going for cheap on ebay:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=130019999663&sspagename=ADME%3AB%3AWNA%3AUS%3A112&id=
All you'd need after this is the airbag, equally as hard to find inexpensively, but you gotta start somewhere!