I've got Ubuntu 12.04 on a W510 and am very happy. Thinking about upgrading to X1 Carbon since the W510 is heavy. Can you share more info about your experience

I've got Ubuntu 12.04 on a W510 and am very happy. Thinking about upgrading to X1 Carbon since the W510 is heavy. Can you share more info about your experience setting up/using Ubuntu on the X1 Carbon? Any issues?