Okay, after some research i found out that the VMR has a latency of 1 ms.
So no zero latency and it will not run on SAC. Too bad, it would have been nice...

But still the question remains, what...

Has anyone tried the VMR after the 4.0 update of SAC?
In the release notes it says:

* Modified code to extend VST Plugin compatibility to the 2.4 version changes which should help with newer...

Anyone tried this plugin with SAC?

Looks like this is a no latency plugin with a lot of cool things from Steven Slate:
...