RMS, Firm Feel, Hotchkis, and QA1 all sell UCA's. I think it be hard to go totally wrong with any of them, although after having run heim joints on the street I think I would stick to UCA's with bushings. The heims perform great, but they wear MUCH faster than bushings do.
I agree. He was awesome to deal with, and his products were a great addition to the market. Hopefully he'll be able to start up again, but without hearing anything from him at all its hard to say if he ever will.