Phase 2 (if desired):

Charts & visualizations
Advanced filtering sidebar -  flat picker
Recent reports widget
Keyboard shortcuts

Phase 3 (future):

User preferences panel
Favorites system
Interactive tour
Custom report builder

Next up is implementing report tabs for Data/Chart/Summary views
Can you build an app that 

Structural divs in MVC Template 
Now let's refactor the includes to be content-only (no major structural divs):