[Smotko]

I've tried KDE briefly a few months ago and I didn't like it. The reason was they were way to many customization options. I spent more than an our going through all the settings and I got completely overwhelmed.

Gnome Shell has little to no options out of the box, but it has extension that do just that.

Unity recently added some basic options into the default (new tab in the appearance dialog). They didn't add a lot of options but just the ones I seem to need :)