According to this article I found on Soccernet, we are one of six candidates with the other SSS sites as well as DC and Seattle competing against us. http://soccernet.espn.go.com/news/story?id=506022&cc=5901
Given the support Guatemala got in the friendlies, I wouldn't think USSF would want to bring a Qualifier here. I think Trinidad and Tobago would be more likely.
I think either TnT or Cuba would be "safe" to hold in Frisco. It would be great to have a game with the USMNT that actually meant something here.