We went to the opener. It was entertaining, but not something I felt the desire to attend regularly. You do get to keep any football that goes into the crowd that you catch (the PA man emphasized this).
Ted Leonsis's group owns both the Valor and the Baltimore Brigade. I assume he's done his due diligence, but I found it very odd that someone would want to have two teams in a league that just shrank to only five teams.
I remember DC's original team at the Capital Centre in the 1980s, but I guess their name has a very different connotation to people today than it did back then—the Washington Commandos.