Just wanted to let anyone who's interested know that Aaron Hillegass's third edition of Cocoa Programming for Mac OS X is now shipping. The third edition is up-to-date for Xcode 3.0, Objective-C 2.0, and covers Core Data, Core Animation, and garbage collection features.
Amazon: http://www.amazon.com/Cocoa-Program...bs_sr_1?ie=UTF8&s=books&qid=1211236903&sr=8-1

Amazon: http://www.amazon.com/Cocoa-Program...bs_sr_1?ie=UTF8&s=books&qid=1211236903&sr=8-1
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