Awesome system!
(Of course I would say that, since I have been corresponding with you about the Lamm amplifiers and the Revel Studio speakers for a few months now!)
I agree with you about the need to treat the walls with some sort of treatment, even if that is merely putting up more pictures to disperse the rear reflections a bit.
What does your listening position look like by the way?
Keep us posted about the changes to your cabling as you make them.
Again, very, very nice system.