How much slower do the pavise Arbs fire than normal arbs? I can build either, but am not sure which to go with... is the protection the pavise provides worth the offset in firing speed that normal arbalests have? It just seems to me that my arbs without pavise hold out pretty decent already (lose maybe 30 per fight to enemy fire only).

What are your preferences between the 2? (no longbow comments please or any other ranged unit.. not interested).