All about Linux has a review of the OpenSolaris based BeleniX LiveCD. The review also points out some advantages to running Solaris over Linux, which look likely to stir up some debates.
I had always wanted to try out Solaris OS ever since Sun released its code under an open licence and renamed it as Open Solaris. But even though open solaris had its own website, downloading a binary image was an entirely different matter and was not an easy proposition.