If removing the Augustan reforms will give the Romans more new units, then I agree. The Romans may have tons of units, but I am in the opinion that During the Polybian and especially Marian eras there is simply not enough unit variety. I really hope EB II will give the Romans more units. During the Marian and Polybian era, the only missile unit are the Velites. Now I know the Romans did not think highly of missiles, but there is got to be a missile unit (slingers or archers) out there there that you could give to the Romans for a bit of game balance.
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