The author of the upcoming LiveCD that is poised to make installing Ruby on Rails for Linux users easier then ever is taking suggistions for what else to pack onto his CD before launch.
You can check out the RailsLiveCD site to find out when it will go live! It currently has the following on it already:
jEdit, RadRails, Subversion, MySQL, PostgreSql, SQLite and a lot of the useful gems already installed.
You can contact Brian Ketelson the creator with your suggestions through the ruby-forum.com.