With a good amount of star power, a Finals run last season, and as one of the most successful modern teams, they bring a lot to the table. The Pacers come in second place, as they have even cheaper tickets, and nearly equal interestingness.
The San Antonio Spurs are mostly a team of immigrants, playing for a city with many immigrants, and like the immigrant body itself -- seldom flashy, often underappreciated and often working under the radar -- the Spurs continue to persevere for their own sake whether America will have them or not.
For one, the "coming out" dog and pony show that the media puts on now is getting tired. It should not be breaking news in 2013 for anyone to announce their sexuality. I understand how "momentous" and "unprecedented" all of this is, but I do find it exploitative and repetitive as well.