I listened the demo thingy but only difference I noticed was more beefier/clearer sound with the surround. Then again my amplifier has a built-in surround cinema mode for headphones so that might have something to do with it.
Scooping fuel is very much like making love to a beautiful woman. First check the target is hot enough, then approach slowly. Once close enough, pull out your scoop and fill her up. After you're done just gently pull away, turn around and leave.