Benji Madden in Sydney

GOOD Charlotte twins Joel and Benji Madden donned fetching purple ponchos as they ticked off another Sydney must-do yesterday.The Nicest Guys In Rock took time out from visiting radio and television stations to hit Sydney Harbour with a crew of crazy fans for a ride on the Thunder Jet Boat.The Madden brothers, who have also been on the hunt for venues that screen American football games, were