Cool site! I think one thing the double aughts brought us was this extreme appreciation for food. Think of Iron Chef, Top Chef, and just the general blowing up of Food Network shows. We’ve seen the fast food joints also going to extremes like BKs Ultimate Breakfast, Hardees Triple Burger, KFC Double Down and now Denny's Baconalia. Also don’t forget Epic Meal Time.
A couple of other sites... this one is very easy to participate in. http://snappetite.com/ I’ve been using it for my restaurant.
And one of the first that I remember... http://thisiswhyyourefat.tumblr.com/