We have built KDE 4.4.1 on both Solaris 10u8 and OpenSolaris. Here is a screenshot of it running on my Solaris 10u8 box:
http://www.users.on.net/~markwright/fp-content/images/sol10u8-kde-441-screenshot.png The instructions for building KDE 4.4.1 on Solaris are at: http://techbase.kde.org/index.php?title=Projects/KDE_on_Solaris It is built with Sun Studio 12u1, Qt 4.6.2, Boost 1.42.0 and lots of other software packages. I built it with Open Sound System v4.2-2002, Sun Audio is also supported on Solaris 10.
