I've owned a 68 Kustom200 for a decade now. I bought it out of desperation when my Sunn Coliseum head was stolen while i was on tour.
But... that turned out to be a blessing, because the Kustom tone slays the SUnn tone in every way. The germanium circuitry of the Kustom provides some very tube-like growl.
That kustom paired with an old Ampeg b-25b 2x15 got me through 3 years of constant touring in a heavy(ish) band, and i never had any volume problems:
I got mine for $150. They are starting to become saught after in this area because people are begining to see and hear the awesome tone they provide.
Though the cab is gone, i still own and use the head on a weekly basis. I also picked up it's lil G***** bro 2 years ago... a 70's Kustom50 guitar combo. I'm as much, if not MORE impressed with that guy. Here's both of them together with the 'twin basses'. The Kustom200 LOVES 15" speakers:
