My setup
http://bandwidth.se/imgs/nouser/img0728b46ca0fd6.jpg
First quick result : QX9650 490x9=4400
http://bandwidth.se/imgs/nouser/qx9650490x40ad7dda.jpg
Here's 3 hours of everest with all voltages and temps, stupid me forgot to display cpu-z, but this is also on 490x9.
http://bandwidth.se/imgs/nouser/490x9evere406f8661.jpg
Hope next bios will give fsb 500+ as i see alot on SIIE with QX9650 hit a wall at 490.
On the other hand it might off course be the cpu limit.