Hmm looks interesting.. the need for having to empty the front liquid tank every few days however in my eyes really makes it no better than a standard cassette unit. Turning that mixer would be a pain (plus having the clearance for the handle). I will stick to cassettes (plus a spare) at this stage.
Thanks for the feedback Mike, I was more concerned about the availability of the composting bricks than of turning the handle, since without them the unit is worthless, but nevertheless, it is something I didnt think of and certainly bears questioning. Also the weight of the composted matter. I accept that I will have to empty something at some stage........I am more interesed in ease, weight, and an alternative to the sloppy smelly cannister every few days.
I found this 'roadtest' of the composting toilet in question - has some drawbacks!! - here is a honest down to earth report on it: http://www.youtube.com/watch?v=-Ih17XFOkSc&feature=endscreen&NR=1
What I didnt get is a reply saying I know someone who knows someone who has one installed. I dont know if we are shying away from this because it is different or if there are real 'user' problems. On paper it definately has practical advantages, however I am interested in the other side of the coin, as it is an expensive item. I am surprised that its not out there!