From a friend, passing it along:

Boxster or Boxster S 1997-2004 15,000 mile minor maintenance kit for $99 plus tax Includes air filter, oil filter kit, pollen filter, and 9 liters full synthetic Porsche approved motor oil.
Have the service done right, have it done by The RennShop for an additional $125.
Offer expires 5-31-08 and cannot be combined with any other promotions.

Contact
Marvin
The RennShop Inc
408-727-0911
http://www.therennshop.com