I'm not sure it's something newly introduced by Wendell at any show yet.
One of the local Maggie dealers here in Thailand is devicing a way to stack up two sets of the Mini mid-high panels and hook them up with two DWM bass panels. Reasoning: buying another whole set of Mini Maggie doesn't cost substantially much more than buying just an extra DWM bass panel.
I have yet to see and hear them, though.
