Noise: It looks like a "mini Keurig" is certainly quieter than many espresso machines. Just can not pump hot water 19bar life in silence. Cost as it is cheaper over Starbucks, but the initial investment of $ 400 could not be offset a bit:) I have to be easy to use Nespresso is the most profitable to operate at $ 0.63 per premium by the balls and feel of all my machines. Even the Keurig can not (hard to believe) that the speed and ease of use to compete.