With the Celtics win over the Pistons, and the pleasant corollary of sending Rasheed Wallace home for the summer, a great sports rivalry is reborn, as they'll face the Lakers in the Finals.
It's hard to even know where to start with these two. Everyone will think of Bird and Magic first. Those with longer memories will go back to Wilt vs. Bill, and those who go back even further will remember the Jerry West-Elgin Baylor teams that could never quite catch Boston.
In a nutshell, it's always a highly competitive environment.