The CentOS development team released the CentOS 5.2 i386 live cd. The cd can be used for a work station or a rescue disk.
It includes the following packages:
Workstation Packages
openoffice.org 2.3.0
firefox 3.0
thunderbird 2.0.0
pidgin 2.3.1
scribus 1.3.3.2
xchat 2.6.6
k3b 0.12.17
gimp 2.2.13
Rescue CD Packages
memtest86+-1.65
Full set of LVM and RAID command line tools
QTParted
Nmap and NMapFE
traceroute
samba-3.0.28 with cifs kernel support to connect to Windows file shares
System Log Viewer
GUI Hardware Device Manager
It is available at: https://projects.centos.org/trac/livecd/