Rabi Satter, blogged about starting .Net development for OS X or other Apple devices; an excellent step by step article to start with. According to him:
Yes you read that right. This entry will show you the basics of building a Mac application in .NET. How can this be .NET is a Microsoft Windows technology? … I mean the Mono Project a Novell project that has ported .NET to Linux and other platforms including Mac OS X. What follows is a step by step guide to using .NET and no PCs were killed in the writing of this blog entry.
The tutorial leads you from setting up your machine to HelloMac application.
Here you can find the entire article.
