> bar.err (agricolae) > plotCI (gplots) > xYplot (Hmisc) > error.bars (psych) > dispersion (plotrix) > plotCI (plotrix) > Not to mention: http://biostat.mc.vanderbilt.edu/wiki/Main/DynamitePlots Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/