What 1.7.9 bukkit minecraft plugins should i get for my new server?

Hi i'm Owner of a brand new server all we need are some plugins and we can open up! I have some plugins but wht plugin can i put so it would say Owner next to my name and Admin next to Admins names? Any other plugins are good this is a no troll server btw it'll open in 3-4 weeks let me know email me if you want to be builder or mod
Email lizardcrafthelp@gmail.com thanks Jacob.

PermissionsEx
It sounds hard at first but you'll get the hang of it in a week or so