How about other input connection like CD-IN, AUX-IN, ... Not sure if your card has that, but my SB Live! Value has those inputs.
But I think making one yourself is much cheaper. All you need is a 4PDT or 3PDT relay and couple of male/female 3.5mm jack/plug.
Or go to walmart game/audio/video section and pick up a Video/audio selector box + 3 set of RCA to 3.5mm cables and call it a day.
Matrix has a good point. If your sound card is PCI, it should have some sort of CD-ROM audio in, from the old days before audio came over the IDE cable. Perhaps you could hook in there?
Yep...just go into the windows mixer and mute the one you aren't using at the time.
well my problem is i cant use a pci sound card as my case is about 6" x "8" x 2". I need an external sound card with an aux-in or cd-in. If i could find one i'd buy that before the selector. Muting the line that needs to be muted is done through the front end (in my case Road Runner)