salieri:~% xrandr
Screen 0: minimum 320 x 200, current 1152 x 768, maximum 1280 x 1200
VGA-0 unknown connection 1152x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1280x800       60.0  
   1152x768       54.8* 
   800x600        56.2  
   640x480        59.9  
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*+   60.0  
   800x600        60.3  
   640x480        59.9