I learned a bit more. It uses a Variac Plexi model which is part of the PowerPack. My license manager shows that I have PowerPack installed, but when I turn on the pod it displays Standard Model Set Loaded. I wonder if this could be it. I don't see anything grayed out, the patch (18B) that I have played with shows the correct amp, cabinet and mic.
Here is the link to the tones:
http://www.lincolnbrewster.com/podpatches/LB-PODxtLive.l6t.zip.
Thanks.