I paid £1800 for the Lenovo X1 Carbon because I'd thought it was the best ultrabook at that time. Installing Ubuntu on it resulted in problems with: volume and brightness settings, trackpad, hibernation, fingerprint reader, mounting my NAS drive.

I don't have it anymore because I got robbed. Although I'm a Linux enthusiast, I ended up replacing it with the 2013 Macbook Air, because I don't want to pay a premium price for a product that I can't use 100%.