You can create this with already existing plugins, if you have the right commands (like, /class warrior, or /class archer) you can use this plugin for example: http://dev.bukkit.org/bukkit-plugins/chest-commands/ And configure it right Please let me know when your server is ready! I will join haha.
Im hosting a server( IP: weers.tk) max 12 players and nice staff, friendly players, and always minimum 2/3 players online. For more information just click my account, to my server . I hope i'll see you online!