I commute out of DFW. ATL is tough in the summer and holidays, tons of people do it. ATL has the most flights with all mainline so u can book the jumpseat, but your lucky to get 1 to 2 jumpseats a month. A total of 9-10 flights a day. American matches it with Super 80 and airtran has 5 flights. American and airtran I seem to use more than Delta. You can get home at the end of a late trip with a 10:00 flight or so.
MSP I have tried too. Alot less people, but only 6 flights and only 1 is mainline. 175 RJ so u can't book the jumpseat ahead of time. American matches it with Super 80s 6 a day. Another negative is the last flight home is 7:15 so you can get stuck and spend a night after a trip. You can hold better senority in MSP than ATL.
Overall one of the worst commutes in the system its a toss up between ATL and MSP with more flights to ATL with less senority on an airplane or more senority in MSP and less flights and RJ to deal with. With MEM only having 3 flights on Delta and such a small base I wouldn't thank long term.
Good luck, and I love DFW, but I'm going to have to move to a base one day, I can't keep this up for a whole career.