Yeah I have tried out various different paints on GW miniatures, but for some reason the standard GW paints work so much better on them. I gave up after trying to paint a heldrake, it just took far too long.
"That which we foolishly call truth is only a small island in a vast sea of the unknown. For man to truly flourish, he must be willing to abandon the ever-shrinking island of such petty 'truth' and surrender himself to the reality of that which is beyond."
Dark Apostle Erebus, architect of the Horus Heresy