I had my roof vinyl last summer as well. Installed glossy vinyl from local shop for $160 +tax. Also applied wax on the roof every time I wax the car.
http://i691.photobucket.com/albums/vv275/ajphoto09/DSC_00432.jpg
http://i691.photobucket.com/albums/vv275/ajphoto09/DSC_00262.jpg
http://i691.photobucket.com/albums/vv275/ajphoto09/DSC_00822.jpg