Many unknowns in Vegas, and it sounds like she is in that realm.  I would be careful as the agencies in Vegas are terriable and there are lots of ladies that fly below the radar, some are great finds others are rip offs.  The best bet is to see one of the many fine indies who are reviewed her and on other sites.  Out side of that you are taking a big risk.  If you want to take one for the team, let us know how it worked out.