Monthly style tracker

I am not sure if this is the right place for this: I want acheve this: Monthly style/categorised new contents like...

- January 2008
-- New Users
--- John
--- Rita

-- New Blogs
--- New Blog title
--- Sample blog title

-- New Downloads
--- Health for all: 2001 -- a review (PDF)

-- New Images
--- A beautful girl
--- a BIG tree

December 2007
---
--
Then I want to link this page from homepage as

"Whats New this month" -- current month
Then all content, listed in desc order.. month by month
-- ...

Thank you for your help.