There is no GUI for installation, but once io is working you can do a lot of stuff by the ioGUI (management)
There is an unregistered (free) version of ioFTPD.
About the script for users to be on irc im not sure, just have it somewhere in the back of my head i read about that somewhere..
http://www.inicom.net/forum/showthre...light=stay+irc
Been discussed there too but...
Pretty much all i know..
About the "easiest" bot im not sure...
My personal thoughts of windrop is that its a bit hard.. some reading but..
When its done its really worth it!!
Many seem to like alcobot and iobanana, wich i myself havent tried.