Yeah we have Rustoleum over here but limited in supply/stockists.
http://search.diy.com/search#?p=Q&srid=S8-UKSR01&lbc=diy&ts=ajax&w=Rustoleum&uid=469202542&method=and&isort=score&view=grid&srt=12
Have no true blue, closest appears deep blue.
I will visit the store after I have cleaned it...