i used the iolite with tobacco quite a bit but i found that the taste is rather harsh compared to using a regular electric vaporizer such as this :
NEW DIGITAL HEAT HERBAL HERB VAPOR VAPORIZER WHIP COMBO - eBay (item 220465413241 end time Aug-13-09 22:00:00 PDT)
just a small pinch of tobacco gets a lot of vapor and tastse really smooth and sweet
using this and my iolite - by the end of the day - i only use about one cigarette amount of cheap pipe tobacco and i get really good nicotine effects
NEW DIGITAL HEAT HERBAL HERB VAPOR VAPORIZER WHIP COMBO - eBay (item 220465413241 end time Aug-13-09 22:00:00 PDT)
just a small pinch of tobacco gets a lot of vapor and tastse really smooth and sweet
using this and my iolite - by the end of the day - i only use about one cigarette amount of cheap pipe tobacco and i get really good nicotine effects