I got a trackback to this blog and had a quick read at the originator – its a blog with some nice suggested presets for a few popular iOS devices.
I tried them out with some great results.
Check out the post: http://www.wingenter.de/archives/62
In the UI – copy them into the editable window and click save as custom query . At the moment, the Ui supports only saving one query but I am working on it now to save multiple queries….watch this space.