Very frankly they are complete machines intrsant it when there are at least 4 or more but srieusement perfect machines, one can raise the price anyway!
but hey gobos go well, the colors are not ill chosen to say nothing to judge by yourself about this video:

http://fr.youtube.com/watch?v=DS3DHbEEyHs

Otherwise go see specifications on the following link!

https://projecteurs-DMX.skyrock.com and there is also a forum for your questions go ahead!