According the the adCenter Community blog
the upgrade will take place around the 23rd ..

1) A centralized, customizable dashboard where you can see key campaign performance indicators at a glance.

2) New visitor Path reports, plus Top Entry and Exit Pages reports, to help you gain insights about visitor behaviour.

3) Age and gender clusters that help you understand the demographic breakdown of your audience.

4) A holistic view of campaign performance across all search engines to help manage your return on investment (ROI) on all your pay-per-click (PPC) campaigns.

will get some screen shots once it updates ..

Daven