RSS Balloon Reader is a simple RSS reader that displays incoming messages as balloon tooltips in the windows task bar. The news entries themselves are linked to be read with the browser.
Key Features:

Retrieves RSS messages from various sources

Performs priorisation of news.

Displays the messages in a balloon tooltip pop-up in the task bar.

The messages are linked and are opened within the browser if you click them.

The message frequency and viewing period is configurable.

Configuration via GUI or using .xml files.

Message history.