I'll be there for a week in August and would love some ideas.
Some things about me:
I think La Pergola is amongst the best places I have ever eaten :) - but have exceedingly fond memories of a working class "hole in the wall" I stumbled into in Spain where no on spoke English, I was the only non local - and the food was cheap and fantastic!
come from the San Francisco Bay area - so used to great food
Prefer fish to meat
Markets, street food a favorite
So... I'm happy with high end (if it is worth it) and also love to find little neighborhood local places with great food. Although it may not need to be said - the freshest and most flavorful food, specialties of the region are preferred. Wine and ambiance are not as important as great food.
Approximate cost, distance from Piazza Ognissanti or the Florence Congress Center (I'd like to walk if it's 20-30 minutes) and OPEN in August info would be appreciated. TIA