TryingThisAgain

This was going to be a full on post, but it appears the next preview of the MVC bits will do a good chunk of what I was writing up.  So for posterity, here's the general routing flow in the current ASP.NET MVC release:

1. Define your routes in RouteTable
2. PostResolveRequestCache event in the UrlRoutingModule passes every request to the RoutingTable to determine the relevant route
3. If a route matches, an IRouteHandler is created
4. The IRouteHandler gets the appropriate IHttpHandler for the specified route, passing along a RequestContext object (which contains RouteData)
   1. Default IRouteHandler uses ControllerName + Action format and reflection
5. IHttpHandler and original path are stored in an internal RequestData object, which is appended to the context.Items collection
6. Path is rewritten to ~/Mvc.axd
7. PostMapRequestHandler event in the UrlRoutingModule grabs the RequestData from the Items collection, rewrites the path back to the original path and sets the IHttpHandler from step 4 to the context.Handler property
8. Profit!