Hey, Wayne, sorry to steal your thunder. That'll teach me to read an entire thread.
Another option would be to pencil the pattern, brush paint it with a fine brush and then airbrush over the pattern you just brush-painted. The net effect is a very tight color demarcation line that will look sprayed.
Which is a technique also touched on on page 1 of this thread...
Hey man don't sweat it, no apology necessary, we're all here to help where and when we can...
Cheers George, got another one on the go for Mike, but gonna finish it soon as i'm on holidays.....1 week and counting...