Matt from 3DGPU tested the new Dets in 3DMark & Quake 3 Arena with different levels of anisotropic filtering enabled against the 29.80 version from Gainward. I guess you're in for a surprise...

Detonator 29.80 No Aniso: 182.6 2x Aniso: 142.7 4x Aniso: 120.9 8x Aniso: 108.2 Detonator 30.30 No Aniso: 184.2 2x Aniso: 143.8 4x Aniso: 121.8 8x ANiso: 108.8 More interesting results @ 3DGPU