We renewed our vows in July and there was only the 4 of us! I think it was about the $4000 mark, but we had to pay for the Rev on top. We got a limo for 4 hours, and choice of venue, cake, music and photos (we chose to go with an outside photographer but that's not so easy any more!)
Try this site for more info!
Disney Weddings > Escape > Get Started
It is soooo easy and a great day!