I have to second that, it seemed to be a great tool. I've often wondered why it couldn't get traction¹. I can recall people gushing about it at what may have been the same Python meetup in London, and also people being impressed enough by it at a Haskell meetup that they were lamenting an imagined lost opportunity to shove a "real language" in to a spreadsheet ;)

I'd always kind of assumed that the target audience would have appreciated the IronPython use, as the .net ecosystem would likely have been more valuable to them. Having just looked I see that numpy wasn't available on IronPython until 2010, and I'm sure that would have been useful to have a little earlier.

¹ Pretty sure I've referenced it here a few times too.