The Dude

Yep. Gut it. The dome is too iconic to replace but it needs to be scrapped from the inside out. Leave the outside like it is except add retractable roof.
Gut the entire inside. In addition to seats put restaurants and food areas that serve REAL food. Yea you can put a place to get nachos and chili dogs down in the basement but there needs to be real food. It's too important to our culture. Add more bathrooms along with additional single stall toilets. Big screens everywhere so you can sit down and take a crap and not miss a minute of the game (they exist I did this myself at Bank Of America Stadium once.

"Where life had no value, death, sometimes, had its price. That is why the bounty killers appeared."