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. Houston Rockets (last week: 15): The league's most confounding contender showed its worst side this week, losing three in a row (including the Brooklyn Nets' first win and a Mavs victory without arguably their three best players) to eclipse the promise of the preceding four-game winning streak and run its record to 4-6. James Harden is putting up some of the worst shooting nights of his career with astonishing regularity, Dwight Howard looks too slow to be the defensive stopper this team needs, and even an optimistic view of Ty Lawson would have to cast him as a poor fit as a starter. This absurd fast break between Lawson and Marcus Thornton helped no one's cause: Something looks very wrong with this team. Now watch them win five in a row. 2. Golden State Warriors...