FWIW, i DID build a bunch of the variations other folks came up with, kula's and a few others including a (i believe) brazillian version, and they all had issues with output volume etc... so i'd go with the suzy q circuit at aron's, rev g was the final. it has input buffering adapted to give a slight boost, and a boost stage dino <digi2t> had come up with, so plenty of balls. that was the version dick wagner liked best and ended up being his overdrive.
the other versions have literally obscene amounts of compression, imho, and the harder you play them, the more squished they get.
the suzy q was designed <ha, if you can call it that> to be run about half way up on the knobs. its a lot more than the original circuit did. good? i dunno. i used to use it every nite on the gig for years, but have moved away from pedals back more to my roots, a les paul and a marshall.
rock on n peace n shit.