The New York Giants are headed to Arizona for Super Bowl XLII.Big Blue won their first NFC championship in seven years by defeating the Green Bay Packers 23-20 in overtime Sunday. The game marked only the second time the NFC title game went to overtime.The win was the Giants' 10th road victory in a row. They won the game on a 47-yard field goal by Lawrence Tynes, who had missed two field goal attempts in the fourth quarter.At Dick's Sporting Goods in Melville, fans were already snatching up apparel to celebrate the victory. Debbie McGroty, of West Babylon, was one shopper out early to make sure she could get shirts and hats for her children.The Giants will meet the undefeated New England Patriots in the Super Bowl on Feb. 3.