Multiple duration for eatch task (Expected & actual )

Hello Everyone,

I am looking for a multiple duration option for Gantt chart. My requierment is
I have a project with expected duration to get it completed and actual duration it took to complete. And I have to show both duration in the gantt Chart. Any help will be appreciated.
Thank you
Karthik TN

Current version requires complex customization to show such kind of info. The next one ( September 2014 ) will provide an API to show multiple time markers for the single task.

Thank you. That will be help full.