I use Ubuntu on an X1 Carbon at work and it's been a delight! Long long battery life (I can leave my charger at home any day and it's not a problem). All import

I use Ubuntu on an X1 Carbon at work and it's been a delight! Long long battery life (I can leave my charger at home any day and it's not a problem). All important development software works on it. You're closer to the environment your servers run on, which is a plus if you are doing web dev.