The 60M is not 2010 Groove compliant.  The USGA website has the latest up to date information on groove compliant clubs.  Go to www.usga.org/InforClubsDB/index.asp and put in Acushnet for the manufacturer and Titleist for the product name.

Regarding Circle T's, the metals are all different. You have the 009's, GSS's, SSS's, and many different finishes as well. Usually they are very soft and have excellent feel compared to the OTR putters. You might note the different millings. I am fortunate…