In 2006, Buffalo was dead last in stadium capacity with an average of 84.5% of the tickets per game sold. In 2005, they were 28th with 89.9% of the tickets sold. In 2004, they were 28th again with 89.7%. In 2003, they had a good year with 91.2% being still 28th in the league in attendance. In 2002 with all the hype with Bledsoe, they were 29th in the league with 85.6% capacity (also eventhough they have about 15,000 more seats they only averaged 30 more people per game in the stands than the Pats had that year).
In contrast, the Pats have had over 100% capacity (SRO tickets count as the overage) during the whole period. I really don't think the Pats and Bills fan base is very comparable as far as attending the game at all.
There is a certain segment of the Bills fans that would pay more to go to the game, but there is a whole bunch who won't. Besides, it is a catch 22. Wilson raises the ticket price and he risks selling out even fewer games which means more local blackouts and TV revenue is lost and the fan base dwindles.
http://sports.espn.go.com/nfl/attendance?sort=home_perc&year=2006
http://sports.espn.go.com/nfl/attendance?sort=home_perc&year=2006
http://sports.espn.go.com/nfl/attendance?sort=home_perc&year=2004