According to this it is available now ...
Rust-Oleum Stops Rust 18 oz. NeverWet Multi-Purpose Spray Kit-274232 at The Home Depot
Ask them if it's available for export Dave. Being in aerosol cans, I doubt they'd mail it across the pond to UK, but I'm definitely interested. I can think of a few hundred uses for it here. Have I ever mentioned that we get a lot of rain in Wales?
Johnny.