Had to upgrade bios/firmware (with Dell-provided download, via bios-integrated flash utilities, so no Windows or DOS boot necessary). Had to use a custom kerne

Had to upgrade bios/firmware (with Dell-provided download, via bios-integrated flash utilities, so no Windows or DOS boot necessary). Had to use a custom kernel for skylake/nvme; 4.5-rc7 for wily run ok for me, though there are some boot warnings. Still having (rare, like once a month) problems with the touchpad. Battery charge lasts much shorter than Apple notebooks. I believe Dell's developer edition has the slightly more expensive Intel WLAN option, but I have no trouble with mine (Broadcom?). If you're looking for a developer notebook for Linux and can wait until it's delivered (1-2 weeks or more?) I think Dell's developer edition XPS 13 with preinstalled Ubuntu 16.04 LTS is one of the best, if not the best, option available. Back when I needed one, this offering wasn't available in Germany, but cyperport.de had a plain XPS 13 available in retail store, and I needed it asap. I liked that cyperport.de shops had the XPSs and various Lenovos available in store (unlike eg. big retailers here which have hundreds of cheap/crap notebooks with glare screens etc. but not a single pro notebook), so they got my money. I have the non-touchscreen variant (I hate glare screens). But I believe next time I have to reconsider because a notebook in that price range shoud have HiDPI today.