Dell is currently shipping a customer Ubuntu 8.04 image on the mini family of hardware. This image will produce quite different results from a vanilla 8.04 image including but not limited to boot speed, user experience, and software versions.
Most of the open source functionality that has been introduce into this image has been merged into later releases of Ubuntu. The closed source multimedia codecs, and video playback applications are only available with this image. Due to the proprietary nature of some of these packages, it's not possible to share such an image. You should use the recovery media that has come with your machine instead. If your machine shipped with Windows, your best option is to load a more recent version of vanilla Ubuntu instead.
The following hardware ships with a snapshot of the Ubuntu 8.04 Dell Remix: