I had small goals, and pushed my p4 2.26b, asus p4b533-v, XMS 3000 up to FSB 150 with no vcore adjustments. I ran prime95 for 12 hours, and never got above 48C. I ran the 3dmark2001 for a couple of hours, too, without problems.
Then I played ut2k3, nolf2 demos, undying, syberia, (i.e recent...