i would add rtv plugin again, COZ:
when aztec or dust map are on server, CTs start to own and win all rounds, TERR camp and die every rounds.... so ppl leave server.......
when ppl are tired from die and be owned everyround, they could rtv and try to change the map..... and not leave the server......
other solution would be add a good auto-team balancer, and all the "pro" players (fraggers) will be switched to balance the game and every1 enjoys the game, not only the winning team......