I always carry a live CD of Ubuntu, works great – The Ubuntu team is proud to announce the Preview Release of Ubuntu 5.10 – codenamed “Breezy Badger”. The Preview Release includes both Install CDs and bootable Live CDs for three architectures. Ubuntu is a Linux distribution for your desktop or server, with a fast and easy install, regular releases, a tight selection of excellent packages installed by default, every other package you can imagine available from the network, a commitment to security updates for 18 months after each release and professional technical support from many companies around the world. Link.
Preview Release of Ubuntu 5.10