Rex is doing some interesting work with his own gasifier design. 

Hi Rex - I'm also in South Africa. Been researching woodgas for a while and wanting to build - but funds and time have not allowed yet. In UK at the mo

but have another friend near Knysna also keen to buy a GEK kit and get building. I put a website up before I discovered the GEK site...www.woodgas.co.za plse email me so we can chat - cheers - Rob