Advice Sought single 5W or multiple 1-2 W projectors

[White-Light]

I would just throw into the mix to look carefully at the amount of each colour you're buying in any given projector, not only from a colour balance perspective but also from an impact perspective. Obviously a 3w laser with 500mw 520nm will have less impact projecting green alone than a projector with 1w green. So worth keeping an eye on both colour balance and relative power levels if maximum impact is important.

[LapisLaser]

I would buy two Kvant CM1800's or CM3000's over the 6000. If you're doing beam shows, you have to have at least a pair of lasers. The difference in the 1800's or the 3000's output is not substantial enough to the 6000 to justify only buying one laser. trust me, I own all of them. Buy a pair. It's just not cool doing beam shows with one laser. Not cool at all.