Well for those wondering, I replaced my main board today with a totally different manufacturer and different north/south bridge chipset, and a quad core processor upgraded from a dual core. Surprisingly, Vista 64 booted and installed about 40 devices, then rebooted, and everything worked except windows was only seeing 2 cores still. I updated the BIOS, still only 2 cores, installed the latest chipset drivers from asrock.com, still 2 cores. Last I went into device manager, went under Processors, and uninstalled all 4 phenom 9850 devices and rebooted, it reinstalled them and I then saw all 4 cores. Dalaran is still a fairly low FPS (~20 on my main screen) but it is consistent, doesn't really drop below 20 and so I can be there and have no issues with follow, which is a huge relief. I imagine some issues I have in places like nexus with TONS of effects will be smooth now as well. Can't wait to start recording more heroics runs.