The 785G packs a number of feature upgrades, small things like HDMI 1.3, DDR3, DirectX 10.1, and support for socket AM3 processors. More significantly, though, the new northbridge features dynamic clocking features that allow its GPU and other cores to downclock by a factor of eight, to a mere 60Mhz from 500Mhz, at idle time, saving power. As one review points out, this means that a Blu-ray-equipped 785G PC with a low-voltage processor can probably be configured to consume less power than some standalone Blu-ray players. Tom's showed that at idle, a 785G system consumed 17W, 19 percent, less power than a 790GX system with the same components. Over five years nonstop, at Chicago electricity rates, that's more than $110 worth of electricity.