By Rohan Nadkarni Which of the first-round playoff series will be the most exciting? After 82 regular-season games and six play-in games, the NBA playoffs are finally here! And thanks to an uncharacteristic amount of depth in each conference, the Lakers’ disaster, and the Nets’ drama, the first round will be an interesting mix of contenders, fresh faces and intriguing matchups. With a lot of high-stakes basketball to be played over the next couple of weeks, let’s rank the first-round series by their entertainment value. 8. Suns vs. PelicansAlthough New Orleans is coming in hot off a play-in th…