Well, this has absolutely nothing to do with the overall content of this site, but I wanted to put these files somewhere for others to upload. I've created two small apps/workflows to turn on/off Notification Center in Mountain Lion. No viruses, no installer, and no tech support either. Hopefully they will work as well for you as for me. Works in 10.8.2. You'll need to change security settings to accept an app from a non-identified developer.
Off/On Notification Center by Beringia Zen is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License.