Lol, true ! I say leave it as is. You get less stress by not having to clean the stock off (you seem mighty nervous) and if you cpu was to screw up b/c heat, who cares ? You have that 3 year warranty.
I always re- paste my cpu's when I buy them. Stock paste is crap. for instance my mother has a duron clocked at 1050Mhz and it can reach temps of 60*C sometimes 70*C. its using the stock pad and she refuses to let me re-paste the cpu. on the other hand I am running a sempron @ 1750Mhz and im using arctic silver 5. and a dual alloy heatsink, (copper base and alluminum fins). im not sure if the sink is any good but my current temp is 46*C even. I recomend re-pasting the cpu whether you OC or not.