I see the titanium stuff, sure it's kool but why aren't people making stuff out of magnesium? It's 33% lighter than aluminum and 60% lighter then titanium. I've bought a bought some used funny car parts for mine and they are all magnesium. They are also much easier to machine then even aluminum. I will pick some plates up this week and try my luck at welding them. If it goes good I know what I will make my brackets and other things out of