I have a WinTV card (I think it's the radio one with stereo sound and an FM coax input). It has this white input in the back labeled "DTV/S-video." I have a connector that plugs in to this input where ...

I'd like to get rid of my old Beta and VHS VCRs, but I have several tapes I need to digitize first. Obviously, these aren't the highest quality to begin with, so I don't want to lose any quality ...