If I could find one to try I would, but it'll probably be a while before I get back to the nearest Mesa Dealer. Untill then, I continue to be impressed by my Peavey Triple XXX, which can sound Marshall Like and Mesa Like, but has it's own unique character. I'm glad you found "your" amp! I know it's a great feeling when you feel you couldn't be happier with your tone.
Be sure to give us a full report on it in the Gear Review sectioin.