Interesting article on PyPy (P{ython's tracing JIT) by Laurence Tratt

That taught me a lot in a hurry. I now make the distinction in our vm confecting process between the
methodology and the language.
The methodology is versatile and not tied to Smalltalk. It can be adapted to Newspeak, Converge, a new
language, or Commodore BASIC.
That's impressive.  

Chris