The Visual Studio extensions for SharePoint (VSeWSS) provide project templates for developers using Visual Studio 2008 to create, debug, package and deploy SharePoint projects including Web Parts, Data Lists, Content Types, Event Receivers, Templates, Modules and other SharePoint artifacts. The v1.3 release is an incremental release of the VSeWSS including top feature requests
Please find more details and download info at http://blogs.msdn.com/sharepoint/archive/2009/01/12/announcing-community-technology-preview-of-visual-studio-2008-extensions-for-sharepoint-v1-3.aspx
