I'll have some graphs and such on Monday (too few games to generate anything worth looking at thus far), but here's some short notes, Harper's Index style of what's happened so far.
Number of times the Jazz failed to sell out the Delta Center in their last 164 regular season games: 1
Number of times it happened in their first four games this season: 2
Average attendance at the first four Pistons games in last two seasons: 22,076
Average attendance at the first four from this year: 17,541
Change in overall attendance in the first two games of this NBA season compared to the first two games of last season: -22,462
Number of teams who have seen attendance decreases: 19
Number who have increased or remained the same: 11