Schlow's reps have told Grub Street that he'll open a "modern rock 'n' roll diner" in the Burton's Grill Kenmore space in April. Schlow had been rumored to open a deli concept in the space. His latest venture is the Back Bay's Tico. We'll give you more info as we hear it. Update: We've just learned that Schlow's diner will serve "comfort food" and "cutting-edge American fare."