The hole seems to be shrinking:
http://news.bbc.co.uk/2/hi/science/nature/1050495.stm
Note that they directly attribute this to the global ban on PCB's. If we start making these chemicals again, the effect will reverse.
I found this particular comment in the article rather interesting: And a cooling of the lower atmosphere due to greenhouse gas emissions could delay the closing of the ozone hole, perhaps by a decade or so. So greenhouse gases cause cooling...but they're greenhouse so it should be warming...*sigh* we just can't win.