what kind of stability are we talking here...
the cpu:
http://www.eclipseoc.com/image/cpu/a...0/DSCF6167.jpg

both with 1.55v set in the bios...

best suicide - 3532mhz
http://valid.x86-secret.com/show_oc.php?id=177921

SP2004 stable - 3327mhz
http://www.eclipseoc.com/image/cpu/a64_4000/6hr.png