Some thoughts:
Hakstol is going to defend the 4th line because he has no one else to throw out there, and he needs to rotate them in to keep his other lines fresh - this team plays best when it's aggressive but that wears down the legs because they're not that fast overall so they have to push it. And PEB and VdV have been solid on the PK given the shaky goaltending behind them, better than some of the people we've thrown out there, MacDonald however . . .
Cousins played the best game I can remember as a Flyer, he's really blossoming playing LW with Couts, I think it's a synergy thing, Couts is physical and defensively responsible, Cousins is niftier offensively.
Luby is a 4th line guy until he develops a lot more polish offensively, like the hustle and speed, but come on, that was a turn around and fire shot that he got lucky on.
Neuvirth wasn't great, but like Mason the night before, he was good enough, and a little lucky (puck hitting the post, puck bouncing over the net).
When the goalies play well, this is a playoff team - however, I'm not going to believe it until March, they've broken our hearts before.