Hey - I use one of those, too!
I've never used condensors, only colour head with 6x6 mixing chamber. No problem at all.
While the Anaret lenses have only 4 aperture blades, I wouldn't dismiss them as "cheap toys"! I have Anaret S lenses, 50mm and 80mm: I also have a 60mm Componon, but the Anaret S 50mm/f:4.5 is good enough that I use that instead of taking the 60 off the camera lensboard (it gets used as a macro lens... Anaret lenses can be very good indeed, edge sharpness is better than many other lenses at five times the price.