I feel like the work Miguel De Icaza is and has been doing around C# platform interop is some of the most challenging and beneficial work happening in the FOSS.

I feel like the work Miguel De Icaza is and has been doing around C# platform interop is some of the most challenging and beneficial work happening in the FOSS. It is pretty startling what he and his team have accomplished in such a short period of time, in some ways actually hearing where the C# language is going from Microsoft and getting out ahead of the curve.