Them nutsy folks at clob overclocker seem to revel in taunting their computers with instant demise. Of course its for a gain in performance so it's acceptable I guess. Taking a look at silver based thermal paste they give it high marks compared to an unknown brand of white goop. Check it out, short sweet and to the point.
FULL STORY @ CLUBOC (http://www.cluboverclocker.com/cooling/silver/silver.htm)