Let's face it — the best and most powerful teams in the NBA don't really change from week to week. A handful of results in the middle of winter can only mean so much to a franchise's championship hopes. What does shift regularly, though, is how much interest a squad can hold over the course of a season. Every Monday, BDL's Most Interesting Power Rankings track the teams most worthy of your attention. THE TOP 15 1. Golden State Warriors (22-0, last week : 2): Had the Warriors shocked the sports world and dropped three of four this week in working without Harrison Barnes, the defending champs would still have ascended. Watching the Spurs dominate, the Heat emerge, the Cavaliers figure it out and the Lakers' wreck on the highway will always intrigue, but this is the greatest show in sports. The team's passing, shooting and joie de vivre is so intoxicating that even running out to a 30-18 lead in the opening moments against the Nets on Sunday feels like a letdown of sorts. A few more inches to the right or left, and it could have been 42-10. [ Follow Dunks Don't Lie on Tumblr: The best slams from all of basketball ] 2. San Antonio Spurs (17-4, last week: 7): Not merely because...