Microsoft has announced the names Visual Studio 10 and .Net Framework 4.0 for the next versions of these two products! Here are a number of references where you can look to find more information about this announcement:

http://www.microsoft.com/presspass/press/2008/sep08/09-29VS10PR.mspx

http://www.eweek.com/c/a/Application-Development/Microsoft-Announces-Visual-Studio-2010-and-NET-Framework-40/

http://msdn.microsoft.com/en-us/vs2008/products/cc948977.aspx

http://msdn.microsoft.com/en-us/vstudio/bb936699.aspx

http://www.cio.com/article/451622/Microsoft_Announces_Visual_Studio_._Developers_Respond.?

https://channel9.msdn.com/visualstudio/