Reporting back with a review of the "Top Gun" regulator (modified milwaukee) from aquariumplant.com.
The regulator is solid and was a snap to install operate. The knobs are kick ass, I like that I can set my pressure to 20 psi. The double manifold was a bit of a waste because I don't even use the bubble counters (the reactor has one). Though it was nice that the manifold was preinstalled.
The vortex reactors on the other hand were a total waste of money. The Barr Venturi design on this site works a lot better and cost a fraction of the price.
Anyways, hope someone finds this info useful. I know I would have