I am looking for a long run of component video cable to connect my projector (Optoma H31) to my receiver. Is "RG6U" Component cable what I need? What is the difference between this and "RG59's"? Also, What type of cord/cable do I want to connect my projector to my DVD player? S-Video? I've been told that I am best off connecting the DVD player directly to the projector to improve picture quality. Is that the case?