We're impassioned people, do you want to contribute to the discussions?
I believe I have... I just don't tend to harp on the same shot-down argument over and over again.
The Deep South would also be an interesting location. Swamps in Louisiana, most of New Orleans submerged, aerospace research facilities in Huntsville, air strips and military bases galore, Smoky Mountains, the ruins of Atlanta (which has a metro tunnel system)...
Rad-mutated razorbacks... mountain lions... alligators...
F3's "Point Lookout" DLC gave us only a taste of what was possible. Possible DLC locations include Florida Keys, Galveston, and (oh, look at me repeating myself!) Fort Knox and Oak Ridge.