Are Multiple Progress Bars Possible at Same Time?

Does anybody know whether is't possible to create multiple progress bars at the same time?

Because that's how The Architect designed it. If he did implement multiple window support, I would want multiple bars in the same window rather than multiple windows.

If you do want multiple windows, how would you want the action modified to "name" a window?

(edit: multiple progress bars with unique names, or window titles)