Tom: I just switched. Can I encourage you to go to V8, not for the MU but all the improvements? It really is better. I see a minimal speed difference, but I did upgrade my main computer from a Core 2 Duo (5 years old) to an i7 4Ghz.
I agree with you, and stopped after one attestation when CMS released third party, paid on commission hatchet men to go out and get their money back whenever possible through audits. It's not worth the risk, and within 5 years (stick instead of carrot) it won't be worth dealing with them at all.