I would not buy those lights if I were you. I would suggest purchasing accessories to other lighting fixtures. Like others have said, scrollers, icues, gobo rotators are great investments. If you want to step into the "professional" moving light range I would look into VLs or Macs. I know it...
I own some 550's and I think they are great light. They are compact and offer a lot of punch for a medium sized fixture. The optics are crisp. The colors are clean and vivid. The animation wheel adds another dimension to your surface. If I was doing a show and I need a light that had somewhat of...