Potbelly Sandwich Shop is heading to South Florida with yet another spin on the sub/hoagie game. The chain, founded in Chicago in 1977, plans to open 14 news stores in Broward County alone. Also, Nordstrom Rack to open in Delray Beach, IKEA now buys and sells used goods, and Lilly Pulitzer is debuting another boutique this one featuring men's clothing, too.