You can view the page at http://www.bushcraftuk.com/forum/content.php?r=467-Wild-Stoves-woodgas-stove-review-(YT-vid)
For those of you waiting for your tea to brew or need to get some sleep urgently then the follow document isn't full of jokes but quite interesting in that they have compared various woodstoves for their clean burn, amount of wood used etc. Most are bigger than camping stove size but it does put the woodgasifiers like the wild stoves one in a reasonably good light.
http://www.pciaonline.org/files/Test-Results-Cookstove-Performance.pdf