I had the predecessor, the xps 12 inch, I was very happy with it. The touchscreen was unessasary, but it actually works in Debian. The xps line in general is a good mix of Linux compatible hardware, processor/memory options, price and surprisingly solid build quality.

My main complaint and why I have a macbook air now (even though it is inferior in most respects, I pay for a osx but never booted it) is that I ride alot of trains and the power connector on the Dell landed the machine on the ground a few times when people tripped on my wire. It uses the normal metal tube into hole design. The laptop still works, but it makes me wonder why dell never made a magnetic power connector. My mobile phone has one and it's a Sony/Ericsson.