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...number of single point plots I can do is about 5400 (i.e. for(i in 1:5400) plot(runif(1),ylim=c(0,1)) ). Complexity of the plots might matter as well, but I only have rather convoluted examples of this. Also, pdf2swf throws up a lot of errors ('ERROR Internal error: drawChar.render!=beginString.render'), the origin of which I know not, that might be slowing things down. Now, if only someone could wrap this process into a single R command (I'm a little too newb to do this myself I think). Mike -- Mike Lawrence Graduate Student, Department of Psychology, Dalhousie University...