Hi everyone. Version 1.7 of the Chatter for SharePoint solution is now available on the blog. Please see my earlier posts and the updated documentation for details on the new features and fixes. One additional fix is included to address reported issues when using SAML/Claims based authentication.
SharePointAdept
Solutions for SharePoint and Custom Development
SharePointAdept 
I can’t find this app on the appexchange anymore. Is it still listed there?
Hi Debbie – my solution was never on the appExchange. I don’t think the SalesForce-designed one is being actively maintained.