We have a CM 5.0 with some 7985G and 7940 with VTA and a 3515 NCU too.
The last update of the MCU software fixed the problems of the thread "Video over IP: Problem with VTA and MCU"
Now we have this new little problem:
the person starting the conference sees himself in the remote window, when joins more than 3 people.
The other people have the correct window.