rss Factory PRO combines all the abilities of rss Factory FREE Edition with a multitude of professional features. Here is the comparison chart between the two versions:

RSS Factory features  FREE
 PRO
   •  Categories & Subcategories (unlimited number of levels)  
Blocked
   •  Category Management  
Blocked
   •  Category Description   
Blocked
   •  Category Pathway   
Blocked
   •  Related Categories  
Blocked
   •  Category Tree within one, two, three or four columns  
Blocked
   •  SEF (compatible with Artio JoomSEF)  
Blocked
   •  Session based tracking of already readed news (Feeds will appear “unchecked” if they have already been read) Blocked Blocked
   •  easy Language Management   Blocked
   •  automatic unpublishing of erroneous feeds Blocked Blocked
   •  Tiled View Blocked Blocked
   •  List View Blocked Blocked
   •  Tab Titles View Blocked Blocked
   •  Sliders View   Blocked
   •  Draggable divs View   Blocked
   •  configurable display to show in list of feeds the feed name or the source   Blocked
   •  Pagination available for each RSS source   Blocked
   •  Date Format Customization Blocked Blocked
   •  Dynamic Page Titles (SEO)   Blocked
   •  MetaTags  
Blocked
   •  FavIcons for feeds (pulled from the feedsite or custom uploaded) Blocked Blocked
   •  Color customization of Overlib Output Blocked Blocked
   •  Font Size customization for Overlib Output Blocked Blocked
   •  replace ">> >>" with custom words   Blocked
   •  Preview of Feeds in Category List   Blocked
   •  customized output styles   Blocked
   •  several configurable display tweaks   Blocked
   •  Automatic Refresh of feeds though a pseudo-CRON process and CRON Blocked Blocked
   •  Refresh of Feeds using AJAX (backend only) Blocked Blocked
   •  Search Mambot (allows you to search through feeds along with searching through content) Blocked Blocked
   •  Refferal verification to avoid hotlinking   Blocked
   •  automatic Install & Uninstall of Module and Mambot Blocked Blocked
   •  Ads & Banner management Blocked Blocked
   •  Back-up utility Blocked Blocked
   •  automatic Version Check Blocked Blocked
   •  Public Support (available on Forum) Blocked Blocked
   •  Extended Support (personal guidance available through our Ticket System)   Blocked

 

ETA: mid August 2008.