KrustyTheSailor in my personal opinion. Can't wait to see his talents displayed even more, if his teases are to be trusted.
http://fc06.deviantart.net/fs70/i/20...or-d62q2pd.jpg
Honorable mentions to the likes of Arqueart, Ranzab, Falynevarger and the like- there are quite a few truly wonderful artists out there.