I'm kind of cheating here by just closing my eyes and thinking of the art. And while Carlos may be the greater individual, the one-two punch of Simon Fraser AND John Burns is greater still.
Stront has the better character designs; Dante has the superior sci-fi world, not to mention the broader range of emoting from its lead characters. (Mind you, that single tear Alpha sheds for Wulf was a fantastic panel).
Anyway, mostly for the beautiful pictures, I'm voting Nikolai Dante.