bjoernvold.com

here are some links to distro list's
that i use extensively
you can find many of the older distros as well

http://www.linuxlinks.com/

http://www.livecdlist.com/

http://www.distrowatch.com/

http://lwn.net/Distributions/#known

Nice, thanks so much for the reminder! Moving to Linux Education. It's kind of educational to me.

heres another to add to the list

http://livedistro.org/

this site links to a lot of distros
I plan on checking more out later
a lot of them are old but there are many new ones too