Like Amanda, I've gotten their brochure the last couple years. It looks like such a pretty ride. Seems like something I'd like to do one day when I have more time for touring. I hope someone has some insight to help you make your decision.
Here are some people's accounts of their experiences:
http://outthereliving.com/Trips/bonton2001.htm
http://www.bentrideronline.com/2001S...n%20Roulet.htm
http://nakatanews.blogspot.com/ (scroll down for a day by day recap of his ride- he did it just this year)