http://groups.google.com/group/izzo_alex/topics
http://coffeegeek.com/reviews/commercial/alexrotary
http://www.stoll-espresso.de/product_info.php?info=p601_Izzo-Alex-MC159---die-Profimaschine-in-Edelstahl.html
http://www.bellabarista.co.uk/pdf/IzzoAlexMKIIcloserlookv1.pdf