Anytime Luciano. I forgot you were in the U.K., getting that shipped there could be an issue. Laws and all.
Reaction to enamels? Odd, not heard that one before. First time for everything I guess.
Here's another place you might look....http://www.tcpglobal.com/
Don't let the site fool you, they have hobby paints also. That's where I got my compressor, 3 airbrush set from.
See ya in the funnies...........