When LeBron James announced he was teaming up with Dwyane Wade, everyone bemoaned the end of an era: when superstars stayed with the teams that drafted them and won titles (Michael Jordan) or didn’t (Patrick Ewing) on their own. Meanwhile, it’s the Mavs who’ve been spending like mad, treating the salary cap like a 55-miles-per-hour speed limit sign. The end may indeed be nigh—but not because of the Heat.