Advent of Ubuntu actually spurned up quite a few Linux distro releases, giving users plenty of options as well as some very interesting flavors to play with. For example, you think Unity is buggy, you can either try out gnome fallback or have all the goodness of Ubuntu and lightness of XFCE or LXDE in Xubuntu or Lubuntu. A cross with E17 and you have a Bodhi! And who can forget Linux Mint -