Thanks for the link brewster, I had actually just found that club! According to it the official gigabyte line on the voltage drop is as follows:
"GIGABYTE 990 series motherboards strictly follow the AMD AM3+ load line calibration design guide, and so CPU V-core voltage will drop according to loading. Such calibrations are built into the platform to protect the user’s purchase and prevent damage to the PC system"
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Is that a good response or bad response!?
One thing I do have to say about the gigabyte UD boards which I know shouldn't be important is the colour scheme OMG they look good, I really like the yellow on the UD7 but I just couldn't justify the price tag on that one.
EDIT: sorry I am being a retard are the basically just almost making it impossible to turn off CnQ (cool and quiet)?