Does anyone have any experiences (good or not so good) with infrared weeders? It seems to be one of those items that's a great idea, but I can't find any dis-interested (that means, someone who is not trying to sell me one) persons with any experiences.
IR weeders
I've never used one, but these two pages seem relevant:
http://www.pesticide.org/radiant.html
http://www.gardenorganic.org.uk/organicweeds/weed_management/show_wman.php?id=17