Although it is not indispensable, not having to monitor the filling of a cup is convenient. It is especially helpful when making several cafés on to colleagues. It is still more friendly to talk while the coffee is made, rather than fixing the story machine does not leave the coffee overflowing.
Almost all have a Nespresso coffee taste, IMHO, ranging from good to excellent. He just certain limited series that may not appeal precisely because, Nespresso allows then think outside the box in the coffee composition. I do not know anyone who does not like Nespresso coffees, except of course those who do not support the type of espresso coffees. Apart capsules price their exclusive distribution mode, hard to find fault with Nespresso coffees.
If you hesitate between several Nespresso machines, be aware that the specifications for the same price range are identical, particularly in terms of the pressure delivered 19 bar. The choice is therefore mainly on design. The Pixie is very trendy, with a return to the design of the seventies years. His ejection lever may be placed under ergonomically on other machines, but for the rest, it's all good.