So, the problem with progress bars is that they are rarely accurate, and the problem with static "processing..." messages is that it's imposible to tell if the

So, the problem with progress bars is that they are rarely accurate, and the problem with static "processing..." messages is that it's imposible to tell if the app is frozen. How about an indeterminate progress bar, but it has a button you can click that tells you the app hasn't died? :)