I'm going to be presenting an iPhone programming demonstration at the November 2009 NoVaLUG meeting. Yes, I know that this is a Linux Users Group, and there's not much open source about the iPhone, but it does derive from some open source material: OpenStep, which lives on today as GNUStep. Now, gentle reader, I know what you're thinking. "If GNUStep is the current open source version of OpenStep, why don't you demo development with GNUStep?