I've made the switch from PHP to Python and don't really want to look back. Python is generally much better thought out from an object oriented perspective.

Package and module imports are a lot saner in Python. I'm glad I'm no longer messing with require_once, autoloaders, and all sorts of functions polluting the global namespace.

Python having first class functions and classes makes a whole lot more sense to me. PHP's call_user_func_array and passing around string names of classes and functions for callbacks is just so ugly.

In terms of web framework experience I was using Symfony in PHP and switched to Django for Python. I liked both, but I've found that Django is easier to use. I'm not a big fan of Django's templating language though compared to Symfony (which was just straight PHP).