I'm about to need my first-ever digital cables. Not exactly sure yet if it's going to be optical or...umm...the other kind...yeah. (I think you can already tell how much I know about digital cables, hmm?) I'm not really interested in a optical vs. other-kind debate, but if I have a choice, is one definitely better than the other, or does it really not matter? Actually, my main question is if digital cables come in differing levels of quality. I mean if there's like a generic $5 cable and a super-dooper $100 cable or whatever. I would think that because the data is digital, as long as the signal can get through at all, a higher-quality cable shouldn't be any better than a lower-quality cable, because as long as the data gets through, it's the same data. Am I right in my thinking? One other thing: What kind of cable is used for the AC-3 RF signal from an LD player?