I just installed VMWare Player to evaluate some software at work. Before the supplier turned up, I just wanted to test that VMWare Player would do its thing. I came across this resource:
http://www.thoughtpolice.co.uk/
If you really fancy playing with them without reformatting your own machines, you can find images of various versions of Ubuntu, CentOS, Fedora, FreeBSD and Debian.
Open source OS VMWare images
Re: Open source OS VMWare images
I use (& prefer) VirtualBox. You can get OS images for it here: http://veedee-eyes.com/veedeeeyes/
meh