Could be a long way off from a good tasting product or economical product. According to what I've read the burger comes out white, has to be dyed, and takes a lot of resources to produce. There's also no fat in these burgers.
An ultra lean burger that doesn't drip goodness when BBQed is not really a burger at all. I'd also worry about long term effects. That being said, get this to the point that it approximates the real thing, and I'd be all over it.
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