As of May 2009, the salesforce.com Off-line client does not provide the ability for us to integration the Sales Access Manager worksheets into it so a user may work off line on the Gold, Blue or Green sheets.
The API within the product is locked prevent us to provide this type of integration. If this option interests you, a Miller Heiman/Saleforce.com client has submitted this to the idea exchange. The more people vote for the option, the more likely it may make on the salesforce.com development list.
Please go to the link below and vote for it to help us help you get the ability to integrate into the off-line client.