Hey, I have my 360 running into the optical input on my pc's soundblaster audigy 2 Zs platinum (then into my speakers). Aside from crackling problems I'm having (apparently I just lower the in-game volume), I have realised there is a delay in the sound. I took for granted the sound of bullets coming a split-second later for a while, but now that I've tested it with my standard 3.5mm cable and there is definitely a half-second gap, I can't tolerate it! Why is this? Is it my 360, or my PC? Can anything be done? Although it's a shame to lose my shiny-ness of optical, I will be back onto standard audio cables unless this is resolved!