Julien Lavergne has released Lubuntu 10.04, an Ubuntu-based distribution featuring the lightweight LXDE desktop: "Lubuntu 10.04 is now available for download. Lubuntu is an Ubuntu variant using the LXDE desktop. It's designed to be a lightweight and easy-to-use desktop environment.
Lubuntu, an Ubuntu-based distribution integrating the LXDE desktop has announced the release of Lubunto 10.04 Beta 2. If you are not familiar with Lubuntu or LXDE, here is a screencast that gives you a good feel on this distro:
In my last review I considered Kubuntu 11.04 as an alternative to Ubuntu for disgruntled Ubuntu users. But there's another Ubuntu derivative that should be taken into consideration as well: Lubuntu 11.04.
Lubuntu uses the LXDE desktop environment, a much simpler and faster alternative to Unity, GNOME and KDE.
Desktop Linux Reviews: "Lubuntu 10.04 is not an official derivative of Ubuntu; it is not supported by Canonical. However, it is serves a very important purpose by providing an Ubuntu distro geared toward older or less powerful computers."