Alternative to AnySubject?

Hi All,

I was just wondering if there was an alternative to to the <AnySubject/>. 
I am trying to make a distinction between actually _ANY_ user and any user 
that has authenitcated to my service.

Cheers,

Shiv

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* Shiv Kaushal                          *
* High Energy Physics                   *
* Department of Physics and Astronomy   *
* The University of Manchester          *
* Manchester                            *
* M13 9PL                               *
*                                       *
* Tel: 00 44 (0) 161 275 4223           *
* http://www.hep.man.ac.uk/u/shiv/      *
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