Well see here:
http://www.betaone.net/index.php?showtopic=33895
I used to use MCE2005, but due to the driver issues and applet instability have gone back to MCE2004 which has no problems at all !! I guess its the difference between VMR-7 (directdraw) and VMR-9 (direct3D) and the true compatability with video cards.
Hawk