Aren't the 'LOOK' pedals specifically designed to have a larger surface area, both for comfort and for platform functionality?
Personally, I'm still using the strap-pedals that came on my bike, and I see no iminent need to upgrade. If I ever do upgrade, it'll probably be on my mtb first (for safety), and road bike later on (same pedals to fit the shoes I use for my mtb). My 2¢