Sort for 'No Answers' posts?

[SecretCode]

Don't believe this is possible. The URL doesn't change past clicking on the Search Single Content Type tab.

Or if it does, it returns something like ?searchid=738923 which is a temporary reference in the vbulletin database.

[Snowhog]

Or if it does, it returns something like ?searchid=738923 which is a temporary reference in the vbulletin database.

Yes, but you only get that 'after' the search is executed.