The hardware on the Thinkpad E430 has thus far worked perfectly in Ubuntu with one exception. The screen brightness function keys. This post on askubuntu explains the problem and solution.
This is something I have figure out every time I come back to Ubuntu after not setting up a new machine for a long time.
2014-01-22 - Make the Backspace key work in Firefox on Ubuntu
Another Ubuntu oddity. Who doesn't use the Backspace key to go back in their browser? The Ubuntu users at Firefox, apparently.
2014-01-21 - First Post!