Richard Banks is presenting a Readify Dev Day in Sydney early next month on a topic that I suspect most of us could do with a bit of brushing up on. From their event site:

At the conclusion of this Dev Day, attendees should not only understand the theory of estimating and prioritising a product backlog but would have also experienced the practices themselves so that they can feel ready to directly apply these techniques to their own projects the very next day.

More information and registration details