And, you want to know how necessary the extra input on the SBLive is, since everything else about the two cards is virtually the same, according to the boxes.
But you failed to write anything down when you were at Circuit City, and now you can't remember, specifically, what those differences were. So you're hoping somebody at HRdotcom will bail your dumb, boney ass out, again! Like, we care!
Think, dummy!
It has something to do with CD Digital audio in, right? Come on! See the box. Be the box. Digital in/out. I mean, does it really matter? How am I, or any one of us, supposed to know what YOU need? Just grow up, will ya?! Fend for yourself.