Microsoft's second beta of Visual Studio 2008 and the .NET Framework 3.5 will be dropped this week, Scott Guthrie noted in a recent blog post.
Guthrie indicated that both VS 2008 and .NET 3.5 are "99% feature complete" as of Beta 2, meaning that any changes made between Beta 2 and the final release version will be minimal.
http://searchvb.techtarget.com/originalContent/0,289142,sid8_gci1265418,00.html