Here are some basic resources for statistical computing with R:
RStudio, a cross-platform (available for Linux, Mac OS, and Windows) integrated development environment (IDE):
http://www.rstudio.org/
JGR, a cross-platform graphical user interface (GUI) for R:
http://www.rforge.net/JGR/
In combination with JGR Deducer provides menus for many statistical analyses:
http://www.deducer.org
Quick-R, a useful overview for data management, stats, and graphics:
http://www.statmethods.net
A meta blog can be found at:
http://www.r-bloggers.com/
Graph gallery:
http://addictedtor.free.fr/graphiques/
Which additional resources do you recommend?