I had 3 wash-type options available
* Coate D'Armes brown shade - again the middle one of their range of 3 shades. This is an Acryllic wash so it dries a lot quicker and brushes dry in water. Comparing volume-volume its more expensive than Army Painter, but I suspect the rate of use is less. It dries Matt so no subsequent varnish. The effect is slightly darker and heavier than the Army Painter, but quite similar.
* And lastly GW washes. A range of colours so I applied the blue one to the tunic, the "Ogryn flesh" one to the skin and the "Badass Black" one to the helmet. I tried them undiluted straight from the pot. Again, acryllic, quick drying.
And lastly, the three side-side.
Army Painter on the left, Coate D'Armes in the middle, GW washes on the right.
For myself, the extra brightness of the GW washes might be worth the effort, but I need to experiment with dilution and its not just a "slap it on" item - the test figure looks quite blotchy because I deliberately went for a quick style. For plastics I'm quite taken with the Coate D'Armes wash. It is definitely brown, which might be a problem over some colours. Howver, the speed of application and drying are useful, as is not needing to keep white spirit and a separate brush around. For metals, Army Painter probably comes into its own since the dip also acts as a protective varnish against chipping.