I think this machine is called a Coke Freestyle. I've heard of them, but never seen one in person.
I bet a standard soda fountain can't hold a candle to these, price-wise. I'm guessing at least $10,000. As a restaurant or convenience store
owner, I would be concerned about previous flavor mixes left on the spout blending with the later flavors, unless I was convinced the machine
had a way to deal with that.
Wikipedia claims these things are leased for $300 a month
more than a standard Coca-Cola fountain.
EDIT: according to howmuchisit.org, these cost around $2000 for the machine, not counting installation, etc, but note (emphasis added)-
To know the exact price of the coke freestyle machine, it is best to contact Coca-Cola directly and ask what it would cost you for the machine to be installed. However, the company will be assessing if your business is eligible for the installation or not.
Yeah, I don't think these will be showing up on craigslist anytime soon. I sometimes wonder whether soda companies should have such tight control over vending devices like this. Sounds like the special "syrups" or concentrates the machine uses are more expensive anyway.
Read more:
http://www.howmuchisit.org/coke-freestyle-cost/