Desperately trying to hit 80K on the arc the same way I was desperately trying for 5K 05 and 25K 01
Try oc'ing your GPU higher. If you're trying to hit 80,000 in AQ3, then your system is obviously faster than mine, I hit 59.4K with mine. However, I hit 5477 in 3D05 with no problems.
Athlon XP-M @ 2.4GHz, 1GB DDR400, 6800GT @ 430/1200 (stock cooling, stock voltage)