I haven't tried in about two years, but I tried every six months for a few years before that (basically every time Ubuntu pushed a new release I'd try Kubuntu first). I really wanted the advanced configurability of KDE compared to Gnome and then Unity ... but something always either didn't work or just frustrated me to no end and I reverted to Ubuntu. A lot of my friends have switched to Arch now, which similarly see…
I think I've made this comment before, but it almost feels like new KDE releases are optimized for screenshots: it looks great, until you click on something.