In my limited experience with the iolote, it does not produce voluminous vapor as one would expect from a hookah. I think this device is a compromise between vaporizing and portability. It works well, but does not work phenomenally well.
greenganja - Bought a v.1 iolite from him. Exceptional communications, super fast shipping, and product received as described in his FS listing. All FC forum members should have total confidence in dealing with greenganja.