Slight README tweaks.

README.md

 * Markdown Support with Code Highlighting provided by [colorize](http://www.cliki.net/colorize).
   * Currently supports: Common Lisp, Emacs Lisp, Scheme, C, C++, Java, Python, Erlang, Haskell, Obj-C, Diff.
 * [Multi-site publishing](http://blub.co.za/posts/Adding-multi-site-support-to-Coleslaw.html) support.
-* Plugins for...
+
+* A Plugin API and plugins for...
   * Comments via Disqus
   * Analytics via Google
+  * Deploying to Amazon S3.
   * Using LaTeX (inside pairs of $$) via Mathjax
+  * Using ReStructured Text
   * Importing posts from wordpress
+
 * There is also a [Heroku buildpack](https://github.com/jsmpereira/coleslaw-heroku) maintained by Jose Pereira.
 * Example sites: [redlinernotes](http://redlinernotes.com/blog/) and [(lisp :is 'fun)](http://blub.co.za/).
 
 The XML will be read and placed into .post files in the :repo location specified in your [.coleslawrc](http://github.com/redline6561/coleslaw/blob/master/examples/single-site.coleslawrc).
 
 ## Writing your own plugins
-For now, see the [API](http://redlinernotes.com/docs/coleslaw.html) and the [mathjax plugin](https://github.com/redline6561/coleslaw/blob/master/plugins/mathjax.lisp) for an example.
+For now, see the [API](http://redlinernotes.com/docs/coleslaw.html) and the [existing plugins](https://github.com/redline6561/coleslaw/tree/master/plugins) for an example.
 A proper guide about this will be written later.
 
 ## Theming