Yes, SearchBlox can index the following types of feeds.
* RSS (0.90, 0.91 Netscape, 0.91 Userland, 0.92, 0.93, 0.94, 1.0 and 2.0)
* RSS is Rich Site Summary, a web feed for blogs, news, headlines, audio and video. RSS continually updates with new data without manual updates. Filename extensions include RSS and XML.
* Atom 0.3
* Atom is an XML web feed alternative to RSS. File extensions include Atom and XML.
To index RSS/Atom feeds, create a new collection with the collection type as Feed, and add the feed URLs for indexing.