I find they smoke as well as any other pipe, only smoother and easier to hit. They seem to be around 35 of whatever currency... mine was £32, I think I saw one on the net for $30-something and Stone says it's €35.
"Organized religion is a sham and a crutch for weak-minded people who need strength in numbers. It tells people to go out and stick their noses in other people's business." -Jesse Ventura