It's early days, but the initial idea is that iPhone owners will be able to source all of the iPhone RSS feeds that matter, in one location.
It'll feature the Top iPhone feeds regarding:
As the directory grows with the number of iPhone feeds available, I'll break it down in to categories.
For example: It'll feature a general 'iPhone Apps' feed, but if there's demand, I'll also feature the iPhone feeds of the iPhone apps listed by genre. If I'm honest I don't think the demand will be there.
See: iPhone Feeds on your iPhone