This is excellent news for all VB developers. We will be able to develop applications for the Windows Phone 7 using our favorite language. The CTP (while the C# version is already in RTM) is already available from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=a808a69d-6119-47b7-b858-262be5c49915&displaylang=en.

Some tutorials are already available like this one: http://blogs.msdn.com/b/jasonz/archive/2010/09/23/placeholder1.aspx