Enabled all cache settings to improve site preformance
The trade off is when you updated content or create new articles there may be delays in it showing up on the front end.
There's a good article explaining all the cache settings here.
Upgraded Joomla install to 1.5.22 via Admin Tools comp. - 12/19/2010
Installed Akeeba Admin Tools - 12/19/2010
http://www.akeebabackup.com/download/admintools/admintools-1-1.html
Installed Akeeba Backup component - 12/19/2010
http://www.akeebabackup.com/download/akeeba-backup/akeeba-backup-3-1-5.html
Installed Rok Gzipper - 12/19/2010
http://www.rockettheme.com/extensions-joomla/rokgzipper
Content Editor - content creation - Installed JCE editor.
This is the main editor window when content is created and edited. It is similar to using MS Word in that is has many of the same expected buttons along the top.
Info and tutorials are at - http://www.joomlacontenteditor.net/
Site Code
This site runs on the Joomla CMS. Info at Joomla.org