Crab Du JourPreferred Sq. Footage: 2,000-12,000 s.f.12-Month Anticipated Openings: 30-40 The seafood chain will add up to 40 new units per year over the next three to five years. Look for units coming to the Pittsburgh, Atlanta, Tampa and Orlando, Fla., MSAs. The chain will also look for sites in Midwest and Western markets including More