so lets looks at this.
350 X 12 pipes = 4200 fill rate
I currently have a 6800nu with the extra pipes unlocked, but the darn thing will not OC even 1Mhz.
300 x 16 pipes = 4800 fill rate
Oh well I guess I will have to wait untill I have money for a PCIE mobo before I can upgrade my video card.