I installed 4.0RC1 via the VMWare image. I then went to
http://sourceforge.net/projects/pandora/files/Pandora%20FMS%204.0/RC2/SUSE%2011.x/ and downloaded the three 4.0RC2 .rpm files to a directory and applied them by running 'yast2 - i filename' for each of the files.
I don't think that there is a separate VMWare image for 4.0RC2.
Cheers,
David