System:
Intel Core2Duo E6400 (L625A348)
ASUS P5B nonDeluxe (modded 0509 BIOS "beta")
2x512 A-Data Elpida DDR2-800
PCI video
160GB Maxtor SATA
BlueStorm 500W (modded)

Vcore = 1.7V
Vch = 1.55V (voltmod)
Vmem = 2.3-2.5V (voltmod)

CPU: DryIce cooled (diode says -6C, but I think real is near -30C)
NB: DryIce cooled (-34C)

So far did 4402MHz: http://valid.x86-secret.com/show_oc?id=120541
But I`m still fighting it ...

Benches coming right up