I use a few computers almost equally, so I can't really determine what is my main rig, but this is what I've got.
Phenom II X4 940 @ 3.5Ghz
Athlon II X4 630 @ 3.5Ghz
Phenom X4 9850 @ 3.0Ghz
Athlon 64 3500 @ 2.2Ghz(in an old laptop occasionally used)
Than my gf has.
Athlon X2 7750 @ 2.7
Athlon X2 @1.9(it's a k8 mobile chip, don't recall the model number)
Phenom II X4 940 @ 3.5Ghz
Athlon II X4 630 @ 3.5Ghz
Phenom X4 9850 @ 3.0Ghz
Athlon 64 3500 @ 2.2Ghz(in an old laptop occasionally used)
Than my gf has.
Athlon X2 7750 @ 2.7
Athlon X2 @1.9(it's a k8 mobile chip, don't recall the model number)