Interesting, I've just sent a NOVA T 500 back and replaced it with the Terratec 2400i. I'm not using VMC but I am using Vista Business 64 running media portal. The nova card entirely failed to resume from S3 sleep (may be one time in ten it worked even in the machine was left for several minutes to get itself up and running) - spent ages looking for and trying various fixes. Just (as in this afternoon) plugged the Terratec in and it worked immediately, no problems with S3, all seems good.