[metaphorm]

South (database migration for django). Until django core has its own migration tool I won't be using it with Python 3.

PIL as well. similar reasons. django image fields are dependent on PIL.

Celery is still on Python 2 also, and while there are other message queues available, none of them is as easy to integrate with for an app that's already written in Python.

[dorolow]

To replace PIL you should try Pillow, a fork of PIL that is capable of running on py3k (and 2.x).