Also, here is an old post of mine that will give you some information:
zerothread/148207.
Recently, I got a new flyer that I will scan and post up when I get a chance. It has a list of things that they do. The local San Jose Infiniti dealer is now offering multiple types of service for a given mileage - some of which includes the additional stuff that maxnix mentions, at a combined discount, so makes it worth it (sorta!).
Z