There are a lot of attributes that would make the Denver area or even Colorado Springs a good fit.  There are a few that may be a problem like housing and transportation.  
Housing and transportation are probably not that big of an issue since they will no doubt be ramping up over time and we will need to be working on infrastructure anyway.
The biggest problem with Denver putting themselves up for consideration is that we don't play the subsidy bidding war game.  We provide an attractive environment where their people will want to live, work and play but we don't bribe people to move here.  We don't have to.