Have the devs considered using versiontracker? its a place when I've found a lot fo games meerely bumbiling around and ended up apending money on them, perhaps a listing there could help?

in addition macgamefiles.com appears to be free

Good suggestions. I do believe that the devs know of both of these. Right now the aim is to have enough users to be self-sufficient while the heavy-lifting part of development continues. Once Vendetta is more polished you will see a real push to bring in the masses.