having them both I will say.
if you polish and regrease your warthog base (to make it smooth and prevent stickness) it will be almost as good as the virpil, with the advantage of having no oscillations in the center (springy) when you let the stick go.
but the Virpil base will last much longer, and won't create any center play ever. the Warthog base could after a while. especially in the yaw.
so, right now, I would probably go for the WARBR + Hornet stick.
polishing and regreasing the Warthog base isn't difficult, but take some patience.