it's funny, i can remember a similar type of soda maker my mother had when i was a child back in the early 60's. the idea has been around for quite awhile.
My wife and I got one when we got married and we love it. I use it almost every morning to make the diet energy drink flavor they have. It's not a perfect match to name brands, no, it's more like store brands, but the cost savings is fantastic. I'd definitely recommend it.
It's very good, tastes great, nice selection of flavors, bubbly, cost effective, great for the environment and I think if you offer it to your clients they'd like it too and think you're hip!
I'mm gonna get one soon but have used it at a friends many times.
Been looking at one lately, But like Todd said...( I want one of those Pininfarina (same company that makes Ferrari's designed) machines they have at Burger King! ) This one will get a coat of Blackfire Wet Diamond to shine in the kitchen!