currently I have 4 coemar prospot 250's. We're looking to add some more, and are considering getting 4 more, maybe Mac 250's or Technobems. We've also kicked around the idea of gettting 2 575w fixtures. Has anyone had experience doing this? Will it look weird having 2 fixtures twice as bright as the rest? and are there certain fixtures that will mix well with Coemar's?