Puppy Linux 2.15CE (Community Edition) is the result of collaboration between a team of Puppy Linux enthusiasts. It is built upon version 2.14, but includes many enhancements. In particular, the guys have worked on an improved user interface and a nice out-of-the-box first impression. They have also developed some SFS files that add OpenOffice.org, web and graphics applications; SFS files are 'combo packs' of applications that can be installed and uninstalled with a few clicks.
They did a real nice job, no more windows 95/98 look, pretty

This distro amazes me on how much you can do with so little (MB wise), turn that old PC into a blazing fast monster, modern PC fast as light (almost).

Live CD, easy to use, what are you waiting for Puppy Linux