Below are some screenshots of PyDev in action.
Hey, a task!!
Code completion
Look, I'm going to extract a method...
What?? It worked?
Humm... some code coverage results
Debugger in action
A content assistant (I'm not eve sure that's how this is called - activated with Ctrl+1)
That's all for now folks. Not all features are shown here. You could take a look at the features page
if you want more info.