Thanks Nick! You put it nicely. It's very much the case here at SSC.COM that ones peers have enough passion and interest to find something if it's amiss or point out nuances. That's one reason why I like to contribute - for the challenge and learning experience of it.

If you don't believe me, put something in and give it a shot!

I didn't want to lengthen the article too much, but one point I'll add is that with this technique, one can build a little library of functions and keep it handy for those ETL, Ad-hoc or other situations.