I will listen to certain critics, but the trick is finding one with similar tastes to mine so they’ll give a review I could potentially agree with and rely on. Finding said sources are hard to come by, especially when one of them (*ahem, The Observer), who is typically hard to please, gave freaking 28 Weeks Later a raving review. That, my friend, is Poppycock and Balderdash if I ever heard it.
...and if I relied on one of your particular site’s reviewers (*ahem, Kit Lively), I’d soon refuse to ever watch a movie again! :D