8. Puppy Linux 5.2.8

I've already covered before, but not long ago of the small and fast Ubuntu-based desktop distribution was released. Also known as Lucid Puppy, the software "is the fastest and friendliest Lucid yet," the software's developers say.

9. Gentoo Linux 11.2

Just released last month was 11.2, a live DVD with several desktop environments that can be used to install Gentoo Linux to a hard disk. System packages include Linux kernel 3.0; desktop environments and window managers include KDE 4.7.0, GNOME 3.0.0, Xfce 4.8, Enlightenment 1.0.8, Openbox 3.5.0, Fluxbox 1.3.1, XBMC 10.1 Awesome 3.4.10 and LXDE-Meta 0.5.5. Office, graphics and productivity applications include LibreOffice 3.3.3, Abiword 2.8.6 and Scribus 1.3.9.

10. Ultimate Edition 3.0 'Lite'