Greetings,
It looks like a simple CRUD. 3 days flat. I can design this for you agile, BDD (cucumber), TDD (rspec) with pure table-less design (XHTML, CSS).
You are welcome to discuss, review and update details while we work on chat, skype.
Please check my profile at ramonrails dawt com. We will work only through GAF.
Anticipating your reply.
Regards, Ram