Dralion. It's a hard decision, but I really think Dralion is his best sp.
I think that his SPs are a bit less impressive in general than his LPs. I know that lots of people love Carne Cruda - but I thought that it was so similar to his spectacular LP (but in the end didn't have the same intensity and emotional impact) that it never really worked for me (I love the costume he had for it at Europeans at Worlds though!).
The way he skated it at 2005 Worlds was absolutely thrilling--everything from his face to the way he was moving during the footwork was so joyful, so free. Sheer perfection.