Works fine if you wanna perform and controll the lighting at the same time. A lot of possibillities. Somtimes has to be rebooted, most of the times nothing the audience notices. A great thing is that it doesn't blackout, so if there is some hickup, it tells the light to keep on doing something while i for example reboots it.
Two things I wish could work is that i could set the tempo for each preprogrammed patch/chase. Also choose the speed of movements or freeze everything to a standstill for example before a show or between songs. A little annoying that its full speed or blackout that are the alternatives.