"Editable Plots in R" Article: Creating SVG Plots from R

Do check out http://www.paulhurley.co.uk/index.php/categories/computing-geek/27-r-stats/78-creating-svg-plots-from-r

Might be useful for those doing a lot of plots then manually tweaking them in R code and re-plot with the data again. 

You could actually produce an SVG file and edit in an open source vector graphics editor  like Inkscape

Source: R-bloggers Creating SVG Plots from R
http://www.r-bloggers.com/creating-svg-plots-from-r/