I installed the 8.12 tonight the usual way and it completed and then wanted me to reboot like usual and when it rebooted and came up to Windows (Vista 32-bit SP1) the screen was very very dimly lit but everything else seemed fine. I'm using a Samsung 40" LCD TV 1080P. Going throught the settings I could not find a reason to explain it and rebooting did not help. On a hunch I tried installing the drivers again on top of themselves while I was booted up in Windows (not in Safe Mode or in Standard VGA). Suddenly as the driver was installing on top of itself all of the normal screen brightness came back and everything looks fine even after a reboot. Both GPU's appear to be fine on the Sapphire 4870x2 card. My conclusion? The drivers did not completely install the first time and because I installed them a second time on top of themselves it fixed the issue and installed some file or something that didn't install properly the first time. The way the screen was appearing to me as I did that gives me the impression that the conclusion is correct. I hope this fix helps some of you out there.