What it takes to transfer from Microsoft .NET to Apple iOS  developer ?

Update 2015: more longer and similar story/explanation  found  here

So this was me ‘before’ with all my friends:  Windows, C#, .NET, Visual Studio, MSDN :

transcript:
– easy ‘managed’ life,
– can smile and make ceremony
– implicit friends and friends of friends you can’t get rid of them
– shallow water, no deep dive
– few freezes
– slightly detuned, but good enough for many
– moon shots

…and me ‘after’  passing through the  fire of iOS, Objective-C, Cocoa Touch, XCode, Documentation, Mac, Certificates, AppStore

transcript:
– different game, different rules
– lot of explosive material (resources)
– focused, not distracted by ‘friends’
– intelligence and luck needed
– dangerous and too explicit
– very rewarding