Does anybody know what the maximum lenght of a S-Video cable is? I know they can only be so long because the signal gets too weak after a certain lenght but how long is that? I need abou 20 ft. of ...

Quick question, really... I picked up the combo s-video/composite cable from Gamestop for my cube (till I get the component cables), and for some reason the s-video looks like shit compared to the ...