If you are foolish enough not to be following R Bloggers via RSS or twitter, you might miss: http://www.portfolioprobe.com/2011/01/24/review-of-r-graphs-cookbook-by-hrishi-mittal/ Executive summary: Extremely useful for new users, informative to even quite seasoned users.
Patrick Burns pburns at pburns.seanet.com twitter: @portfolioprobe http://www.portfolioprobe.com/blog http://www.burns-stat.com (home of 'Some hints for the R beginner' and 'The R Inferno')