Clearaudio concerto VTA on Unify 9

Could anyone give me a success story with their unify 9 / concerto set-up? I have a champion that I just set-up today after about a year in storage. I've set up an improvised base as i'm still waiting on the return of my hammer drill to mount my wall bracket, but I have a pair of Xindak MNU 8800s on loan for a few weeks and dont want to miss a second of hearing them and the TT. My new room is smaller, but better treated. I am noticing more surface noise than I remembered from before and would love some advice on where about folks have found the "sweet spot" Level? a little forward? a Little lower in the back? Using a EAR 834P (wish i could find a middle ground between MM and MC on that) Thanks
keil