Checking the net for various IR processing methods I found a blog with some info that is quite useful, particularly for any Canon 40D users fancying a go with an unmodified camera.
It is a two parter with quite a few relevant responses in each part.
Part 1
http://stevencastle.wordpress.com/20...ng-on-a-d-slr/
Part 2
http://stevencastle.wordpress.com/20...-false-colour/
Don