If his favorite isn't an Ardbeg, it's a Buffalo Trace. In fact, I don't think he's ever picked a number 1 that hasn't been one of those two.
I love the Saz 18. John Hansell, over at MA, thinks the most recent versions have not been as strong as the 2005 release. I've had the '05 and '06 and thought they were both great (it's the same whiskey, being held since '05 in metal tanks), but I don't think I've had '08 or '09.
Here's a blog posting about the '06: http://recenteats.blogspot.com/2007/08/ ... y-saz.html