Originally Posted by
DCP2016
Apparently A320/A321 will be Groups A-E and the E190 will be Groups A-D. I contacted them and they said since I am in 15A on my upcoming flight I will board with Group B. Makes me think It's Mosaic, EMS, Window, Middle, Aisle, with the middle being taken out with the E190. This is purely speculation though.
That would certainly be efficient (other than us Mosaics getting in the way, of course) :-)