Advice about system for installing & updating all R package in a Linux Lab?

Good day:

I'm administering 6 linux systems (FC4) in a student lab and worry that
users may want packages that are not installed.  I get tired of adding
them one by one.

One other option is if those packages get in Fedora Extras. :-)
  I intend to submit some packages to FE, and then upgrading will be a lot
easier.

  What are the packages that interest you?

JosÃ© AbÃ­lio