Here's something I just thought of and it sort-of works although there is no interaction: > plotsetup(ps,plotoutput="myplot.ps",plotoptions=`colour=cmyk`); Then, run "gv" on the file myplot.ps and tell gv to "watch" the file for changes. Whatever you plot automatically displays in the file myplot.ps in gv. I would still like to know if anybody has been able to get the x11 output to work on Mac OS X. It might be nice to start a forum specific to different platforms such as Mac OS X. - Mark