I'm not a big fan of forcing state boundaries as district borders. (MAR and NE don't, FiM does) I like the concept of "here is a district, if there is one nearer to you, opt into that one". That helps with the travel, etc. for teams that have closer districts (Dave's and smistthegreat's points)
It would make places like CA and TX a little easier to manage. CA could be NorCal and SouthCal, you could divide TX into thirds. I also see districts splitting as FRC continues to grow.
I like the idea that you can do an outside the district event ("Hey Mom, we are going to Utah for robots!" ), but I think you would go to "your" district.
I really hate the concept of a group of roboteers working 1,600 hours during build season and then only getting 7 matches out of it at their lone regional. I love districts since it gives you two chances to play for the same money.
Siri has a point about making friends in districts. Some of alliance selection is scouting, but sometimes a "we know them, we've seen them play before at another district" comes into play.
I was really exited when Alan said "Dover would be a great place" until I figured out he wasn't talking about Dover Delaware
