These are the packages that I would merge, in order:

Calculating world dependencies    ...done!
[ebuild  N   ] media-sound/esound-0.2.29-r1  
[ebuild    U ] media-gfx/gimp-1.2.4 [1.3.11] 
[ebuild  N   ] media-gfx/gimp-print-4.2.5  
[ebuild  N   ] x11-themes/gtk-engines-xfce-2.1.1  
[ebuild  N   ] x11-themes/gtk-engines-redmond95-2.2.0  
[ebuild  N   ] gnome-base/ORBit2-2.6.1  
[ebuild  N   ] gnome-base/gconf-2.2.0  
[ebuild  N   ] gnome-base/bonobo-activation-2.2.2  
[ebuild  N   ] gnome-base/libbonobo-2.2.2  
[ebuild  N   ] gnome-base/libgnomecanvas-2.2.0.2  
[ebuild  N   ] gnome-base/gnome-mime-data-2.2.0  
[ebuild  N   ] gnome-base/gnome-vfs-2.2.4  
[ebuild  N   ] gnome-base/libgnome-2.2.2  
[ebuild  N   ] gnome-base/libbonoboui-2.2.0.1  
[ebuild  N   ] gnome-base/libgnomeui-2.2.1  
[ebuild  N   ] x11-themes/gnome-icon-theme-1.0.5  
[ebuild  N   ] x11-themes/gnome-themes-2.2.1  
[ebuild  N   ] x11-wm/metacity-2.4.34  
[ebuild  N   ] media-libs/libfame-0.9.0  
[ebuild  N   ] media-libs/xine-lib-1_beta12  
[ebuild    U ] kde-base/kdemultimedia-3.1.2-r1 [3.1.2] 
[ebuild  N   ] media-gfx/sane-backends-1.0.11  
[ebuild    U ] app-emulation/wine-20030618-r1 [20030508] 
[ebuild    U ] net-news/pan-0.14.0 [0.13.4]