Coppercoat
Andreas~I had never heard of Coppercoat until I went on their website today. It seems as if this product is mostly marketed and sold in Europe. With out every talking to someone who I know to get a real testomonial, I would be skeptical on their robust claims. If it works to half of their claims sounds like a good product.Here is the issue, Coppercoat cannot be simply applied over you're VC-17. You will have to remove all of you're old paint for proper adhesion. I personnally feel applying VC-17 is an easy task compared to other paints, but I'm appling it to only a twenty five footer. So how much work do you really want to through. Scraping, sanding, chemically stripping your existing bottom or just rolling on a coat of VC-17 yearly. Life is about picking your battles. If you go with Coppercoat, let us know how it goes.