Re: Should there be an option to disable Powermizer?
Powermizer works for me too, the VT problem got worse though: in my case I no longer have black VTs, this time around when trying to switch VTs the mouse cursor disappears and the x server freezes, I have to power off the machine.
I reported and attached updated bug report in the thread "9600M GT won't throttle up under load".
Edit: same happens when trying to log out from the session, now I need to reboot to switch user. Ouch!