I wrote a response to this on my blog http://www.scottschulthess.com/coding/?p=143 http://www.scottschulthess.com/coding/?p=143 Basically, there are other ben

I wrote a response to this on my blog http://www.scottschulthess.com/coding/?p=143 http://www.scottschulthess.com/coding/?p=143 Basically, there are other benefits to TDD than just preventing regression. Documentation and ease of debugging while your writing code being the biggest ones. In a non-compiled language it can serve to verify that your at least runs without gross failure a little like the compiler does.