I did a quick and cheap visor delete using Nissan door panel retainers. They cost about $5 for a 4-pack at AutoZone. I know the commercially made blanking plates are cheap, but this is even cheaper and I didn't have to wait to get them in the mail.
http://img.photobucket.com/albums/v4...psi6adluju.jpg
http://img.photobucket.com/albums/v4...psfaa63972.jpg