will picture quality improve if i buy better component cables vs. those supplied by dish with the 811? i'm also using tivo with cheap s-video cables - will i see a difference with better s-video cables? the cables from my avr to my tv are high quality.... thx

I recently swapped out my dvr to put in the 811. i have an extra tivo but i'm unable to use on to record standard def b/c the audio is coming through digital input, which tivo doesn't support. is there a way to set it up to get the signal using s-video for tivo and component for the 811? also, i...