There was an article that compares CubicWeb, Django, Pyramid, Web.py, Web2py, and Zope 2and it gave web2py the highest rankings!
link: http://www.infoworld.com/d/application-development/pillars-python-six-python-web-frameworks-compared-169442 (Sorry if this is considered spam on the list -- but I found it to be great news that will help make web2py more popular!!) Luis.