I enjoy my Integra Sooo Long 450 10.5* on an Aldila One Stiff Mid Launch Shaft, known as the "Blue Mailbox on a Stick". It's the COR legal one.
Agree with AAA, the shaft is the ticket. I have a couple of Callaway GBB's (ebay specials) with varying shafts (some those ugly UST's, :) ) and...