Devils for sure.
Sure, he spent more time in Minny and he and Suter will always be remembered for their crazy contracts there (and the buyouts), but he started with the Devils and that's where his career peaked. Aside from Ovechkin he was arguably the best left winger in the game for a couple of years.
Unfortunately he was never quite the same after the knee injury. I think he'd eventually be a HHOF'er if not for that. I love that he's still hanging in there though, and wish he'll somehow win a cup before he calls it quits.