It's not really a great deal unless it is two of them for that price to be honest. I'll be sure to update when I get two so you know.
Thats doesn't come into play here, for people who were looking for this and wanted to buy one it was a good deal.
My 2 Cents - Getting two of them isn't making this deal better, its just providing those customers an extra SodaStream as a present, something which most people wont have a need for because one is enough.