23" is IPS, many other NEC's inc. the other EA series at 22", 24" & 26" are all TN. The i suffix in the model code may be the clue when the new 27" EA is announced.I dunno, does NEC use TN panels? I'm pretty sure that even the EA series 23" display is an IPS.
I'm guessing the PA will be: a) expensive (based on 24"-30" 90 series) b) prone to lag (3D LUT & colour correction)