You can use cherrypy.request.simple_cookie to get access to any cookie information that came along with the request. Although CherryPy gives you easy access, the simple_cookie is a part of Python's built in cookies module.
You can create your own widgets by subclassing the widget base class and defining template, template_vars, and whatever params you need.
Your widgets can encapsulate JavaScript and CSS, so you can reuse them on multiple pages. The widget will automatically include the right links in the page header for you.
TurboGears includes a FeedController module that makes it easy to create new RSS and Atom feeds. You just create a list of dictionaries containing the required elements, and FeedController creates properly formatted feeds for you.
