The 11g release of Oracle Developer Tools for Visual Studio (ODT) includes a host of powerful new features that make Oracle and .NET development easier and faster.
These features make it convenient for Microsoft Visual Studio developers to stay in Visual Studio for the entire development lifecycle.
The new features detailed in this paper are available for Visual Studio 2008, Visual Studio 2005 and Visual Studio .NET 2003.
For more information see http://www.oracle.com/technology/tech/dotnet/pdf/ODT11_whatsnew.pdf
Also of interest to Visual Studio developers targeting Oracle databases is the Quest Announcement of thier intention to release a Oracle Database Schema Provider for Visdual Studio Team System 2010. See here for more information