If you have posts or comments in another system, ArchLinux.me can import those into this site.
Blogger Import posts, comments, and users from a Blogger blog. Blogroll Import links in OPML format. Categories and Tags Converter Convert existing categories to tags or tags to categories, selectively. LiveJournal Import posts from LiveJournal using their API. Movable Type and TypePad Import posts and comments from a Movable Type or TypePad blog. RSS Import posts from an RSS feed. WordPress Import posts, pages, comments, custom fields, categories, and tags from a WordPress export file.
Admin Console > Tools > Import
Happy Blogging :)