For those that have Penryn systems, has anyone noticed any processor whine? I am talking about the high pitched screeching that occurs when the processor goes into 'idle' (S4) mode, and which stops momentarily when you perform an action (like disk activity, scrolling a webpage, etc). This has been a problem going back to, at least, the original Centrino (Pentium M) chipset, and maybe before that. I'm hoping these lower power, less leakage-prone hafnium-powered Penryn's won't suffer from this sound. Please don't respond if you've never heard this sound before, as you'd be unlikely to notice it by now.