Here's the steps I've managed so far, he's not quite complete, and unbased, but I'm really happy with how its going, and I'd be very willing to see him on the battlefield, all I need is an Eldar army for him to go with :D
Skipped a step here, but it was only the basing of yellow, then progressive drybrushing of Fiery Orange and then Blood Red to build up the graduation of the colour.

