Fortunately, I am the only programmer in my area (sometimes application, sometimes sysadmin). Although I can do as I please, I try to make my code as readable and maintainable as possible. There has been only one project (in 13 years) that I've had to work with another programmer, and believe me, the visual appearance of the code was the least of my worries. If you have enough time to focus on this level of detail, you've obviously done an excellent job of training your programmers on the less aesthetic aspects of programming (maybe you could cut them a little slack :).

I loathe the idea of including tab characters in code and so choose editors that allow me to specify the default tab spacing, indent size, and the option to convert all tab characters to spaces. This is probably due to the fact that I am partially brain damaged from prolonged exposure to Fortran.

Curlies and code blocks? I generally prefer saving vertical space when using openning curlies, but am A.R. about keeping closing curlies on a line to themselves. I rarely forget an openning/closing curly and find that if I have trouble locating one, then I am probably neglecting modularization.

Curlies and complex data structures? To me, this is an area where flexibility is a necessity. I try to keep a good balance between vertical/horizontal whitespace and readability. I definitely prefer version #3 of your %page_control, but would've done it a bit differently:

my %page_control = ( 
      Add    => { EmploymentListing => {
                     page     => 'em-main-add-employment.tmpl',
                     function => \&add_employment 
                     }
                },
      Edit   => { EmploymentListing => { 
                     page     => 'em-main-update-del-employment.tmpl',
                     function => \&update_delete_employment 
                     }
                },
      Delete => { EmploymentListing => { 
                     page     => 'em-main-update-del-employment.tmpl',
                     function => \&update_delete_employment 
                     }
                }
);
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--Jim