>>>>And a progress bar.
>>>
>>>I zip up 50MB XML files in just a few seconds. A progress bar would be useless.
>>
>>Yes, I also noticed it zips things very quickly. And has a better compression rate than WinZip.
>
>I just needed something that could work programmatically. Certainly works well enough for me.

Yes, for me too as well. I just pointed out possible limitations, but of course, it's very simple to use and works great.