VS 2010 also now supports importing/exporting pinned DataTips to XML files – which you can then pass off to other developers, attach to a bug report, or simply re-load later.
To export the datatips, choose Debug -> Export Datatips
To import the datatips, choose Debug -> Import Datatips
These benefits are now available within the SQL Server 2012 SSMS also because of the use of VS2010 shell - read my posts here: