I got the latest and greatest mini.
Its not intel so does not run windows things (yet).
I also ordered a nice 27 inch hdmi monitor but it arrived broken (surprise!).
Got my radio today and built it and set it up on the I5 windows 7 computer.

Works quite good, very good fidelity, no odd stuff, very low latency out of the box and there are various buffers and settings to play with to make it even less.
CW seems fine, but I have not figured out how to get audio into the radio for TX.
I get ADC overload warnings if I have the attenuator above about 5.
That is to be expected I suppose, even then it still sounds and works ok.
I have no problem with it as a receiver or running the Power SDRmrx software.
No usb latency!