I use a System76 Gazelle which I bought a year ago. Upgraded to Ubuntu 15.10.

Yesterday I had to connect to a new Canon scanner. The standard Ubuntu SANE package did not have the driver, but the Ubuntu PPA package did, and it worked without a hitch off the PPA.

I have been very happy with it for my purposes. I should probably increase the space bar sensitivity. Also, the 15.10 upgrade went well, except Firefox became more crash-prone so it took a little fiddling to fix that.

I have been happy with the battery life as well, it is much better than their models from years before.