Here is a direct link to the latest screencast by yours truly.
It is an impressive display of what can be achieved with a bit of realtime transformations on text typed (in snippets) and context sensitive expansion.
None of the stuff demonstrated is hardcoded, it is all achieved using the simple extension mechanisms of TextMate, and not even IDEs hardcoded for a given language show this level of grace! :)
You can subscribe to the screencast feed.