localhost ~ # emerge -t xorg-x11
>>> --tree implies --pretend... adding --pretend to options.

These are the packages that would be merged, in reverse order:

Calculating dependencies... done!
[blocks B     ] <=x11-base/xorg-x11-6.9 (is blocking x11-base/xorg-x11-7.0-r1)
[blocks B     ] <=x11-base/xorg-x11-6.9 (is blocking x11-drivers/xf86-video-i810-1.6.0)
[ebuild     U ] x11-base/xorg-x11-7.0-r1 [6.8.2-r7] INPUT_DEVICES="evdev% keyboard% mouse% synaptics% -acecad% -aiptek% -calcomp% -citron% -digitaledge% -dmc% -dynapro% -elo2300% -elographics% -fpit% -hyperpen% -jamstudio% -joystick% -magellan% -magictouch% -microtouch% -mutouch% -palmax% -penmount% -spaceorb% -summa% -tek4957% -ur98% -vmmouse% -void% -wacom%" VIDEO_CARDS="i810% vesa% -apm% -ark% -chips% -cirrus% -cyrix% -dummy% -fbdev% -fglrx% -glint% -i128% -i740% -imstt% -mach64% -mga% -neomagic% -nsc% -nv% -nvidia% -r128% -radeon% -rendition% -s3% -s3virge% -savage% -siliconmotion% -sis% -sisusb% -tdfx% -tga% -trident% -tseng% -v4l% -vga% -via% -vmware% -voodoo%"
[ebuild  N    ]  x11-drivers/xf86-video-i810-1.6.0  USE="dri -debug"
[ebuild  N    ]  x11-apps/mesa-progs-6.5