I used to play in zm, it's nice... but we are handling an unlimited ammo server, while the maps are made for limited ammo gameplay. unless we have some admins standby on the server to watch over the good spots like plaguefest, it's hard. we have tried speeding the zombies(like hell fast) but still some spots are just op, though I don't mind if it requires some barricades to make it op, sometimes I get bored camping in that very spot, so I go out to attract the zombies.

What maps should be removed? now that's hard. Maybe the most terrible ones like psy said.
I don't know why people love op spots even though it's super boring -_-
My fav maps are lila panic maps, especially when the underground is available.
I'd say popular maps could attract more players(some people complain about the pop maps disappearing), therefore it might be necessary to be added.
zm_farm is one of those great maps they say, and is attix still on the server? that's a pre-zombie escape map.