Feed43
(currently in private beta stage of development. To use this service you must get an invitation code.)
Feed43 is an online service, a proxy between your news reader application and third-party web sites that don’t support RSS natively. It allows you to create your own news feeds in RSS format for any web site, that is to monitor any web site from within news reader.
UPDATE 4/8/2006:
Feed43 has been released.
☍ 24.01.2006