Round table for group of 8 for dinner?
O.P.: "$18-25 an entree."
Keens???? I don't think so!
Keens photos: http://www.flickr.com/photos/11863391...
From my experience, relatively few restaurants have round tables that can accommodate 8. The only ones I can think of do not fit the o.p.'s food, location and/or budget requirements.