Mike Gurowitz is a hockey pioneer. The Chicago native began playing hockey in South Florida way back in 1983, when he joined a North Miami street league. Since then an ice rink opened in North Miami, the Panthers nearly won a Stanley Cup, and a dozen roller-hockey rinks debuted across the county. Gurowitz launched Hockey World to serve the area's expanding roster of players. He knows the needs of ice- and roller-hockey competitors, and he assists both groups expertly. The depth of his passion is literally written on the walls of his small shop. Any space that is not covered with sticks, elbow pads, and gloves is papered with autographs of his beloved Chicago Blackhawks. Among the rink-related John Hancocks: Bobby Hull, Stan Mikita, and Chris Chelios (signed before the recent trade to the hated Red Wings). Inside a display case rests a rare trading card of Boston Bruin legend Bobby Orr ... in a Blackhawks sweater. Gurowitz's knowledge along with his reasonable prices have helped him outlast several competitors. Lately he's been filling orders from South America. Having conquered South Florida, he is entering the next frontier.