I'm better known nowadays as a Rubyist, but in fact Python was the first language I really loved, and I have over 100K lines of Python under my belt from my Ph.D. research and my first startup. Our planned intro sequence includes Learn Enough™ Ruby to Be Dangerous, but I'm hoping to design it so that I can quickly make a Python version as well.
Among my peers people usually come from a lower level language to either Python or Ruby but rarely switch from one to the other. What made you switch from Python to Ruby?
Also your book set me on my way with Ruby and Rails. I recommend it at least once a week. Thanks for everything.