Paul; I'm not sure what neck of the woods you hail from, but the following link has helped me.
http://www.weightforlife.com/
They offer financing up to 60 months. I have insurance that covers the surgery, but used "Weight for Life" in my process and I'm scheduled for surgery on July12th. I started the whole process in late april of this year. The link that Jared mentioned is a popular one as well.