That is sweet!
a little birdie told me those are some BIG vac motors in that diamond plate, I'll bet she sucks good without the booster, and now that you are cooking with gas, and 500 psi, it just gets better and better and better.
I see you have a blueline ergo handle on that wand, from the pic the head looks like a CMP, but I could be wrong, one single jet manifold, or two?