Get the lower bowl without question. You NEED to feel the experience. It's always an intense vibe. Some games more then others. New England and the Jets are very rowdy. This shouldn't be too crazy. Make sure you park in Hammers Lot (across the street from the stadium), do a bowling ball shot and give yourself time to go to the Bills store and to wander around the tailgates. Tell people your from Australia and this is your first game and people will treat you right.
Last year I was able to sit in the suites twice after going to games for over 35 years. There is NO comparison, its
a different feel. Very nice up there, but laid back.
If you are looking for the Bills Experience, and I think that you are, don't do it. High fives and hugging with strangers awaits!
If its cold and snowy even better, you want that as part of your story.
Ask questions here, we are very friendly people! Welcome!
...just saw you've been the before....I'd still do the lower bowl