It makes me feel so good when I am able to nuke windows out of the computer. Today I did it already once and more to follow.
It's liberating when you don't have to count licenses and you are able to install as many times (and as often) as you like that (k)ubuntu. It takes 15 minutes now, six questions and proceed. You're free from your 'checking are you running genuine windows' world.
This week I try to find out good power workstations and couple of ML 370's for Linux world, HP is high and Fujitsu siemens is running closely.