The full X was total pants. Way too big, always flying away and taking 3 hours to fill it with air. In my more limber days though I could play the X leg like a boss, in full leaning back fashion.
Release as of today, looks like everything is being uniformed, even the ID cards which is nice but it also states the fields will be the same.
However they haven't specified which bunkers are staying and which are going. http://www.millennium-series.com/