Saw this article.. thought it would bring good discussion. His list is..
Adam Wainwright
Roy Halladay
Cole Hamels
Roy Oswalt
Cliff Lee
C.C. Sabathia
Dan Haren
Jered Weaver
Josh Johnson
Justin Verlander
Felix Hernandez
Jon Lester
David Price
Tim Lincecum
Chris Carpenter
Clayton Kershaw
Matt Cain
Tommy Hanson
borderline group:
John Danks
Yovani Gallardo
Brett Anderson
Ricky Romero
Zack Greinke
Ubaldo Jimenez
Francisco Liriano
Trevor Cahill