In C# you can have more fine tuned control over events/delegates. But you rarely need this.
There are a lot more code examples for C#.
In VB.Net it is (a lot) easier to use late binding. For example to COM objects (in C# from version 4.0).
- I use C# for 90% in my projects
- I use VB.Net for interop to Excel, etc
As soon as I know F# better, I will probably use it for the parts that F# is better suited for.
