iphone - Tips for an iOS developer to learn Mac programming?

Question

As Apple announces the Mac App Store, I'm going to learn Mac programming. I am typically one of those who read the Beginning iPhone 3 Development book before the Cocoa Programming for Mac OS X book. The reason I bought a MacBook was due to the fact that Xcode runs only on OS X. So, what's your tips for an existing iOS programmer who is also a Mac OS newbie? Thanks!

• one tip for one answer please (as community wiki)

Answer 1

Highly recommend Cocoa Programming for Mac OSX by Aaron Hillegass .
This is a great starting point,as you are already an iOS programmer,it wouldn't be tough.