I have been using the software to manage some of my websites for a few years now and am very satisfied with its flexibility and creativity options.  The company just released a brand-new version with all sorts of new features to complicate your life.

- Image galleries and slideshows - Automatic image sizing - Basic version control and edit history - Site search - Scheduled publication - Podcasting - Visitor comments - WYSIWYG CSS style editor - Streamlined template editing and sitewide templates - Section-specific privileges for content editors - Copy content between sites - Unlimited subsection depth - Share/reuse images and documents

For more, check out the feature overview and screenshots. Got questions about what Big Medium can do? Check out the FAQ.