These dashboards are absolutely critical to good usability of a model. Dashboards are the first contact between the end-users and a model.
What should NOT be done in a landing dashboard:
Instead, what SHOULD be done in a landing dashboard:
Users who perform data entry need to be exposed to the same KPIs as what execs are looking at.
Displays the main KPI, which the planning model allows the organization to Plan.
Provides a view on how the process is progressing against the calendar.
Created for executives who need to focus on escalation. Provides context and a call to action (Could be a planning dashboard, too).