What should i turn my server into. Suggestions please

I have a server, bukkit. I want to do something with it but i dont know what to do
I had a couple ideas, if you have an idea post it below, if you like one of these ideas post below too :

Idea 1: Factions pvp, maybe turrets, general factions, New features (not sure what yet)

Idea 2:Rpg server, mcmmo

Idea 3:Minigames

Idea 4: Towny server


Idea 5: PVP fest


If you have any ideas or suggestions or modifications to any of these post below