PIM Xtreme source code has been moved from CVS to SVN.

You can browse it here:
http://pimx.svn.sourceforge.net/viewvc/pimx/

or check out from here:
https://pimx.svn.sourceforge.net/svnroot/pimx/

For more info refer to:
http://sourceforge.net/svn/?group_id=201247

Regards!