No worse than any other NFL stadium. Your experience is always a bit dependent on those who sit around you, but that is the case anywhere you go. I was at the Chiefs game this year and had a great time making noise with all of my fellow Bills fans. We had a couple of Chiefs fans near us and since they were respectful, we were too. Go have fun and make some noise. The advise on Big Tree and Hammers Lot are good. Personally, I always hang at Pearl Street Grill the night before and have fun there, but no player sightings.