Hi,
Yes you can add further items in the Status Reason picklist as per required.
For CRM 4.0
In CRM go to Settings -> Customization -> Customize Entities , double click on Lead entity and go to Fields, double click on the Status Reason attributes add values as per required, Save and Publish Entity customization
For CRM 2011
In CRM go to Settings->Customization->Customizations->Cusotmize the System->Entities->Lead->Fields , double click on the Status Reason field add values as per required, Save and Publish Entity customization
Jehanzeb Javeed
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