The latest version of Xubuntu (12.04) is just stellar IMO. It's turned me into an XFCE user. I've been a DE refugee since Unity and Gnome 3 came along. Glad to see some of these new features being added, particularly the tiling support!
> People were fine with the UI in Windows 3.1
You do realize that Windows 3.1 didn't have mutitasking, right?