Kubuntu has released an alpha for the Kubuntu-KDE4 CD. This will be released as part of 8.04 which will have a choice of commercially supported Kubuntu (KDE 3), or a community supported Kubuntu (KDE 4).
We recommend the KDE 4 edition to those who want to try this exciting new desktop version and can put up with some missing features.
Release notes notes concerning this new alpha release of Kubuntu 8.04 with KDE 4 can be previewed at https://wiki.kubuntu.org/HardyHeron/Alpha5/KubuntuKDE4. This new CD can be downloaded from either of the 2 following locations: