I have just added VentriloMIX 1.1 to the Download page.

The new VentriloMIX has support for these versions:
Ventrilo 2.1
Ventrilo 2.2
Ventrilo 2.3
Ventrilo 3.0.1
TeamSpeak 2

The GUI has also been changed, it looks a bit funky if you are used to the old version of VentriloMIX.