Currently playing as Carthage at the moment and Velites are a bugger for me as they seem to be able to destroy my Long Shield cavalry in HTH combat. Other units get devestated by a charge but the Velites seem to soak up the charge with minimla loss and then slaughter the poor horsies.

Considering I'm using cavlary based armies its annoying and with their speed trying to maneover to flank or rear attack is hard work.