This is a recording by Ocelot demonstrating some good CMAT work, and an HSV-1 recording for anyone who is interested. It is from December, 2001. He's done higher scores on both benchmarks since then, but these are still good demos to watch.
HSV-1 rating: 171 (elapsed time: 27.80 seconds)
CMAT core rating: 185
Accuracy rating: 97.78%
SuperShotgun Average Hitpoint Infliction rate: 79.54
(Stimpacks remaining at the end of the test was: 16)