One tidbit that was given on the Lexicon forum a month or two ago by Lexicon...
The replacement for the MC12HD is still coming, but was not far enough along to show at CEDIA. It would be very poor of me to talk in specifics since there are still quite a few options and possible final decisions to be made but here is what I can confirm: It will be a PLATFORM that other products will be based on, and we expect it to last close to 10 years, in the same way that the MC12 did. To that end it will be overbuilt, with many ways to upgrade both hardware and software as technology changes. It will have more DSP in one single channel then all the products before it put together. It will have the successor to Logic7, which will do everything Logic7 did, plus everything DolbyIIz or any of the other current offerings can do and more, but better in the way Lexicon has been known for. Beyond that, I can only say that with a little luck and lots of hard work there will be something more official at CES.
Other hints elsewhere is that the replacement will be including JBLs work in room EQ.