Also read this related article on his blog - Rewriting Reddit (http://www.aaronsw.com/weblog/rewritingreddit). He talks about why they chose web.py over other Python frameworks (and also over LISP)
Kudos! It's as if he read my mind regarding what I thought it's wrong with Django! ...and incredibly sad that I would probably not have come across and read this, but for Aaron's death ...this perverse causality brought tears to my eyes