Excellent! One of my players (the one who is infamous for really just playing himself, regardless of PC class, race or alignment) has really upped the stakes though. I allow them to play anything from the PF Core Rulebook; the only limitation I've always had was that nobody plays an evil-aligned PC.
He asked if I was going to put that limitation on them again. We both already knew there was going to be a paladin in the party, so I told him that if and only if between them they could come up with a genuinely believable backstory reason why those two PCs would willingly adventure together, I'd allow it.
They say they've got it figured out. I can't wait to see how this plays out - I think it's gonna be role-playing gold.