Aisha Tyler has got six inches on H. Jon benjamin IRL, and with (probable) heels, we're looking at 8-9". That wouldn't look too good on camera. Not that I wouldn't have a problem with it, just that it probably won't be happening.
Seems like it's safe to assume that all the press conferences will be at the same time and in the same order as the past few years. MS, EA, Ubi, Sony on day 1; Nintendo morning of day 2