Use MultiMarkdown in TextMate's Web Preview
TextMate’s Web Preview works quite well in combination with MultiMarkdown 3.0. Because of the speed increases, the Web Preview function allows you to see a live, as-you-type view of what’s going on.
Handy for trying out features and syntax with real-time feedback.
Here’s a quick screencast demonstrating how to set this up and use it.
Please forgive the quality — first screencast and all…. :)