Writings on the [Kitchen] Wall

The past few weeks I've been debating whether or not to use chalkboard paint in our kitchen (technically it will be on a large pillar- not an entire wall), so last night I looked up some inspiration photos to give me that extra umph. Here are some of my favorites:

And if I chicken out, I like this hanging board from Pottery Barn:

What are your thoughts on chalkboard paint? I'm mostly afraid of ruining the wall if I mess up. Is chalkboard paint reversible/fixable?! Ahh- so many q's!

[photos 1, 2, 3, 4]