I find it bothersome that the task list automatically refreshes everytime I select a new filter.
For example, if I want want to quickly look at my top priority tasks grouped by milestones, I need to wait for three refreshes before I get to the screen I want: (assigned to: me *refresh*, order by: milestones *refresh*, order by: priority *refresh*)
With a large number of tasks, each refresh takes a long time to load.
I would find it more useful if we had a button ("apply"), so I could set my filter criteria and then hit "apply".