NBA Power Rankings Week 2: L.A. Lakers Stay Perfect, Miami Heat Drop

Week 2 in the NBA saw the L.A. Lakers remain perfect, the free-scoring Boston Celtics reel off four in a row and the Miami Heat beating down the bottom feeders before getting a surprise against streaking New Orleans.

The second week of games also saw the unbeaten Atlanta Hawks take their first hit, the Phoenix Suns' up-and-down battle through its brutal schedule, the return of Washington's Gilbert Arenas and the continually woeful Clippers.

Which teams went up? Who dropped?

Here's the short version...read on to get team-by-team analysis in this week's power rankings.