That is an interesting debate on the MAF vs Murray debate if both are healthy. I don't think Murray is one of those "flash in the pans" that happen every few playoff series. Afterall, the kid set an AHL record last year for shut outs. In the upcoming World Cup of Hockey, he was named the starting goalie for the under 23 "North America" entry in that event. That is pretty heady stuff.
Then again...these are the Caps and the pressure will grow and I don't think Murray was that sharp in Game 5.
But I would ride Murray right now. Why? Here's my scenario of why to continue with Murray. Say MAF is pronounced ready for Game 1. So you play him, and the Pens lose 5-3, and while you can blame it on rust, you are down 1-0. So in faith, you put him out there in Game 2, and maybe he is still rusty or a bit shaken and plays "OK", but you lose 4-3. Now you are down 0-2 and likely with the impetus to go back to Murray. That's a lot of pressure, plus it is not the best for MAF's confidence as now the questions come back from previous playoff runs.
I saw go with Murray and if he has a bad game, then perfect opportunity to bring in MAF.