Foodspotting is a 4squaresque type visual local food guide based not only by restaurant but also dishes by allowing people to take photos of their meals. They describe themselves as:
Foodspotting answers the question “What’s good around here?” by making finding and sharing food recommendations as easy as snapping a photo.
Foodspotting has just launched the Foodspotting 2.0 version of their iPhone app. Really dig the site, which allows you to interact with a googlemap of photos entries and allowing the ability to favourite and “nom it” the pictures they like.
The footer illustration is quite nice also.