Overkill? Maybe. Adds more durability? Debatable. Does it look good? Oh yeah! These are photos of my Mazda MX-5 after 4 layers of Wolfgang Deep Gloss Liquid Seal applied 24 hours apart:
http://www.mx5gallery.net/albums/userpics/10056/normal_DSC00377resized.jpg
http://www.mx5gallery.net/albums/userpics/10056/normal_DSC00406resized.jpg
http://www.mx5gallery.net/albums/userpics/10056/normal_DSC00377resized.jpg

http://www.mx5gallery.net/albums/userpics/10056/normal_DSC00406resized.jpg
