For me it isn't only a matter of space, I'm not that fond of widgets. Being an Ubuntu user I prefer indicators, they suit me better than any other option, and they feel less bloated. XFCE is my backup option.
I still don't blame Ubuntu for Unity, though. I found myself getting used to it pretty fast. The only direction I didn't really appreciate was the one Gnome took with Shell. That said, it's good to see that KDE is being conservative about their interface.
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For me it isn't only a matter of space, I'm not that fond of widgets. Being an Ubuntu user I prefer indicators, they suit me better than any other option, and they feel less bloated. XFCE is my backup option. I still don't blame Ubuntu for Unity, though. I found myself getting used to it pretty fast. The only direction I didn't really appreciate was the one Gnome took with Shell. That said, it's good to see that KDE is being conservative about their interface.