When Robin Roberts visits the Akron area this weekend, it will be a return to familiar territory and the start of a new adventure.The new move for the Good Morning America co-anchor, who is expected in town today, will be riding in a Goodyear blimp. The familiar territory will be Akron itself, where Roberts has strong family ties.The ride will come shortly after she christens the new Wingfoot One Saturday in front of an anticipated 2,200 guests at a sold-out ceremony at the Suffield Township blimp facility.A former sports reporter who still ventures occasionally into that field, she nonetheless said in a recent telephone interview that however many times she saw a blimp at games, she did not recall riding in one of the airships before.