Installed on hard disks:
KNOPPIX-3.2 WFTL (live)
Mandrake-9.2
Mepis-2003.10
PCLinuxOS-1.20.04
PCLinuxOS-p92-nvidia
PCLinuxOS-2007-T1
BeatrIX 2005.1F
SuSE 9.0, 
Linspire-4.5,5.0 
Ubuntu-6.06
LinuxMint-2.2
LinuxMintKDE-2.2

LiveCDs explored excluding above list, most in many releases:
KNOPPIX-Games
SAM
sam-xmasfun
dsl
dsl-n
Ubuntu,K,X,CE,Edu,flux 
xfld-0.3
gnewsense-1.0
elive 0.3 thru 0.6.9
Kanotix
SimplyMepis
MCNLive
VectorLinux-VLSOHO
VL-beryl
Puppy
NimvleX
Berry-0.81
zenwalk-4.2
BeaFanatIX
slax-5.1.8
slax-prof
LD 2.2 (Dreamlinux)
knosciences
mandravia 2007-one(GNOME,KDE)
sidux-tartaros
granular 0.9
austrumi 1.5.0
userlinux live
gnoppix
Accelerated-KNX
AliXe
KDE-Four-Live
Pardus-Calisan
lamppix-1.1
Fedora Core 1,2
Slackware 9.1
Debian 3.0
FreeBSD 5.1
ReactOS-Livecd
Buffalo-Live
freespire 1.0.13
cl33n
BFX-2006.2
systemrescuecd-x86
TrueBSD
kororaa-xgl
Wolvix
WolvixGames 1.0.4
pocketlinux 2.0
Zenlive-4.2
lfslivecd 6.2-3
anonymos-shmoo (OpenBSD)
gentoo-livecd
WorditTux
Taprobane
Adios
pingwinek
PHLAK
dynebolic
LinuxDefender
eLearnix
CollegeLinux 2.3 
Yoper
Feather
lg3d-livecd
Yopper
Kate_OS_Live
OnebaseGO-2.0
klax-kde
GamesKnoppixQiLinux-livecd
QiLinux-livecd
gnome-livecd
clusterknoppix 3.3
MandrakeMove