http://blog.kagou.fr/post/2008/09/25/GIS-Livecd-pour-FOSS4G-2008

In a week, GIS lovers can now play with :

MapGuide Open Source LiveCD

Autodesk and Camptocamp have created this LiveCD to ease your first steps with MapGuide Open Source. When you boot your computer with this CD you get a working MapGuide Open Source server, complete with the MapGuide Maestro authoring tool, code samples, and demo datasets.

based on Ubuntu 8.04.1 ;)

and also with

Ominiverdi for ESGEO Educational live DVD based on Xubuntu

* GRASS 6.3.0
* QGIS 0.11.0
* PostgreSQL 8.3.1
* PostGIS 1.3.1
* GDAL 1.5.0
* Proj 4.5.0
* R 2.4.1
* PgAdmin 1.6.3
* The win folder on the livecd, contains Win installer of many applications

But, as said by Corey Burger :

"I don't see Mapnik, JOSM or any of the OSM tools on that cd. Sad :( "