Links to www.usga.org non-conforming list and TM r7 Quad:

http://www.usga.org/playing/clubs_an...iver_list.html

http://www.usga.org/equipment/images/clubs/2004180.jpg

If your driver is the "r7" model, you can use it in a USGA/R&A sanctioned event. If it's the "max" model, you will not be allowed to use it in a USGA/R&A sanctioned event. By the way, it's non-conforming right now according to the USGA but will be non-conforming 2008-01-01 according to the R&A.