The sentence is not conditional in form/structure, but it does imply "If that's not the best graphic novel of 2011, I'll drive up to Toronto and eat his hat) You're right about 'will' but the author was apparently not concerned with grammar so he chose to use the simple present drive up (in addition to omitting the article before best).
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.