interesting portable CNC cutting machine

I found an interesting portable CNC cutting machine. It's said very handy and powerful like a big gantry machine. Anybody knows anything
about it? It looks wonderful but I wonder how it really works! They claim it can be used for flame and plasma.
have a look at this picture and read what they claim.
http://www.steeltailor.com/image06/cnc_b.jpg
This group have PDF http://groups.google.com/group/CuttingMachine /
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