Barco's are not too difficult, just make sure and read everything there is, skipping steps will ultimately cause problems down the road. Especially things like distance from the screen which is non-negotiable based on on your screen size.
Also,S-video and composite are 480i max resolution,you will need a transcoder to convert eiither component video or HDMI to RGBHV ,or run A signal directly fro ma personal computer with a VGA - RGBHV breakout cable. For the Barco 800's 1080i is your best choice.
All explained here