Looked at those as well, but admittedly that amp review over at AVS of the XTi 1000 series and the huge power drops by 20hz scared me off. Not sure if there ever was a response to that (haven't looked in ages), or if the method of testing would mimic real world use in any event. Plus, I guess Nathan's amps haven't undergone that testing either (at least not publicly), so who knows.
There is also the iNukes, but I've heard they sound like freight trains when they are turned on, and the colourful lights and look of the encloser itself doesn't scream "put me in your family room", at least not to my wife.