Following the modelling and red primer I have painted in all the flat colours and then used the Army Painter "Strong Shade" dip. I was quite nervous about using it first time but it turned out really well though quite shiny. I took the shine off with the Army Painter Matt Varnish spray.
Here are some piccies:

One thing worth pointing out is how damn quick it was to paint the miniatures this way and I am very happy with the outcome:
Flickr Photo Album
EDIT: Just realised the photos of the two honour guards with spears was *before* I sprayed the Matt Varnish...
EDIT 2: I've added some more photos in better lighting including my newly finished Possessed Chaos Space Marine who is painted in a tiny bit of Blood Red, some Bleached Bone, lots of wash coats and finally Strong Tone dip from Army Painter:



