You know…. I have always been under the impressions that as long as that baby is cool your fine. I mean ultimately is it the Vcore or the heat that kills the CPU?
I for one don’t run Vcore over 1.4 but my temps are insane by then!
TOMS WE NEED SOME TESTS!
I think the claim is that high Vcore levels causes microscopic depredation to the internal portions of the processing unit itself. The higher the Vcore, the faster the CPU degrades. Of course there's arguments as to whether that truly affects the typical PC gamer, since most folks replace their CPU every year or two.
Considering Retail boxed CPUs have a 3 year warranty in most cases, Intel and AMD of course will want to keep somewhat conservative numbers to make sure they aren't having to replace your CPU inside that 3 years.