coffeegeek.com
probably the most comprehensive review of an espresso machine you'll ever read
www.thedesignblog.org
and when i move into my house-sized kitchen with a couple of bedrooms attached, i will also add this awesomeradsleek espresso machine from kamil kurka
www.appliancist.com
oh, if only i were eligible for an Espresso Bailout -- Otto Espresso Maker (about $400, available next year)