Here's one more post regarding my experiments with this stuff, which I love. It's been a great help for me, allowing me to finish units and models that have been sat in my bits box for years in minutes. It's not something that gives amazing results, but it gives very respectable results, which will do just as well half the time. I'm never going to use nothing but quickshade on my models, but I can see myself painting up second and third armies using this. You can see my previous dippings in these posts:
Nothing awe-inspiring, but they make passable markers for the moment. I added some subtle colour coding to each of the markers, to make it easier to take about them - I could just say "the red marker", and you'd know which one I meant.