rss Factory PRO features:

• Categories & Subcategories (unlimited number of levels)
• Category Description, Pathway
• Related Categories
• Category Tree within one, two, three or four Columns
• fully SEF - compatible with Artio JoomSEF
• easy Language Management
• Import Feeds to Content (for each feed, a section and category can be choosen, including the author and publishing period.)
• replace ">> >>" with customizable words
• Tiled, List and Tab Titles View
• Sliders and draggable divs
  
• configurable display to show in list of feeds the feed name or the source
• Archive System (for improved search engines indexing.)
  
• automatic Install & Uninstall of Module and Mambot
• Suppress Images or Embedded Objects
  
• Category Management
• Date Format Customization
• FavIcons for feeds (pulled from the feedsite or custom uploaded)
• Preview of Feeds in Category List
• Session based tracking of already readed news (Feeds will appear “unchecked” if they have already been read)
• customized output styles
• automatic unpublishing of erroneous feeds
• CSS customization
• Color customization of Overlib Output
• Font Size customization for Overlib Output
• Automatic Refresh of feeds though a pseudo-CRON process
• Refresh of Feeds using AJAX (backend only)
• Search Mambot (allows you to search through feeds along with searching through content)
• Automatic Version Check
• and many more... 

HOW-TO refresh RSS feeds using CRON (if your hosting supports CRON jobs):
lynx -accept_all_cookies -dump 'http:// [your site]/index.php?option=com_rssfactory&task=refresh&password =[HERE YOUR PASS]'

Requirements:

• Joomla 1.5.x
• GD2 extension enabled
• CRON
• will not run togheter with the free version on a single installation
• compatible with PHP versions higher then 4.3.9.