I have used combinations of Nikon built-in flash, sb800 in SU-4 mode, a 283 and Metz as optically triggered slaves. Given enough time (to correct for lighting output, find exposure, fiddle with reflectors, etc.) I have gotten reasonably decent flash lighting. OR, put the older legacy units away, set-up a CLS system using multiple SB's,(and Fong Lightshperes) and get almost perfect results from the first exposure. The Nikon iTTL works very well. I guess it's sorta a time versus money trade-off.