|I understand what you want. You'd still like to control your volume but not have a onscreen indicator.|
Left click once on the QuickSet Icon, you should get a menu. Go Hotkey Popups>Disable On Screen Volume Meter.
AMD Phenom II X2 550 @ 3.11
Patriot PC2-6400 4Gig
Seagate 160Gig SATA
Seagate 320Gig SATA