FeedRoller is a lightweight RSS feed Ticker.
It is designed to show scrolling headlines from your favorite news sites and blogs, directly on your desktop.
Features
-Shows news title, summary, age and source.
-Customizable interface.
-May be "pinned" to the desktop (always visible) or automatically hide when the computer is in use.
-May be set to automatically hide when in full screen applications (games, movies etc.)
-Customizable Keyboard Shortcuts to pause the scrolling, pin the ticker, Visit the news item and more.
-Can import and export feeds from other feed readers (using OPML).
-Supports RSS and Atom feed format.
-Portable.