- has it's own middleware to handle mercurial protocol request each request can 

  be logged and authenticated + threaded performance unlikely to hgweb

- full permissions per project read/write/admin access even on mercurial request

- mako templates let's you cusmotize look and feel of appplication.

- diffs annotations and source code all colored by pygments.

- admin interface for performing user/permission managments as well as repository

  managment. Additionall settings for mercurial web, (hooks editable from admin

  panel !) 

- backup scripts can do backup of whole app and send it over scp to desired location

- setup project descriptions and info inside built in db for easy, non 

  file-system operations