check this out at VTAT:
http://www.vegastodayandtomorrow.com/panorama.htm
nice photos- it is said here that tower three broke ground ?!
also. a couple nights ago on the news they were explaing how theres alot of celebrities buying at the panorama (and other high rises in vegas) because they are stil cheaper than california.....it was mentioned that panorama is scheduled to have 4 towers......and they bought a site for a possible FIFTH TOWER!