Looks like a modern day version of the old weber Fire blowers as seen here
http://weberkettleclub.com/forums/weber-kettles-accessories/old-fire-blower/Or here in an old weber catalogue
I bet if it had Weber written on it, everyone would want one...
I think it's a great idea, o often use a heat gun in my Kamado to get the coals really going, but you have to stand there holding it. My main concern would be leaving it over the coals and it getting burnt from the hot coals.
Why couldn't you use it in combination with a chimney?
As for a POS I'd buy one at a more reasonable price.....I'll try anything to speed up start up time