I too am confused about what a frontpage post is. Is it the same as a featured post? I'd guess so, but the fact that two different words are used makes me question myself.
Intended structure of the page is (which is not yet that clear): There are featured posts which are promoted by moderators and very high karma members, there are frontpage posts, which are posts that are addressed to everyone, and then there are posts on your private user page which can only be found on the "all posts" page and by people who are subscribed to you.
The goal is to make it easy to get the best content on LessWrong for multiple levels of investment. I.e. if you just want to read the 5 best posts in a week you can just read the featur...
What are your first impressions of the public beta?