Yes, he was going for the Novak Slam and this was his first RG final against Nadal, so he had to be a bit nervous and maybe that's why he struggled throughout the tournament. He's after all human. He came close though and this 5 setter in a GS is really a big help as it allows you to work on your nerve before time runs out and it did too, but then the rain got in the way. It probably was just not meant to be this time.
Now that Nadal is this confident, and if Andy falls on Nadal's side which he will (90% chance of that), then I am not sure how Andy's going to handle Nadal this time.
I will be very surprised if Nadal and Andy are not on the same side again.
The draws apparently still favour Federer.
Oh well, it might be a case of 4th or 5th time lucky.
If he believed he could do it then i would be hopeful.