Blog Directory Script

What has been popular over the last few years are blog directories which do some of the following:

1. Allow you to submit your blog

2. Let people rate and comment on blogs

3. Contain an RSS feed to the latest blog posts.

4. Have a profit model such as charging for blog submission or for featured blog listings.

A nice example of this is Delightful Blogs. It has been a blog directory for several years now and was recently revamped. Check it out!