我常用的：
cocoa china 开发讨论区 http://www.cocoachina.com/bbs/
渤麦唐 http://www.sinomac.com/modules/sdcection/
以下转：iPhone开发常用网址
文网站：
外文博客：
中文网站：
编译资源：
The Ultimate Toolbox for iPhone Development
29 iPhone App & Website Development Resources And Tutorials Places
示例代码：
http://www.appsamuck.com/：有31个程序的示例代码
参考书籍：
Beginning iPhone 3 Development Exploring the iPhone SDK
Cocoa Design Patterns
Cocoa Programming Developers Handbook
Cocoa Programming for Mac OS X, third edition
Coding Guidelines for Cocoa
Head First iPhone Development
iPhone Advanced Projects
iPhone Cool Projects
iPhone Game Development
iPhone Games Projects
iPhone SDK 3 Programming
iPhone SDK Development
iPhone SDK Programming, A Beginner's Guide
iPhone User Interface Design Projects
Learn Objective C on the Mac.pdf
Learn Objective-C for Java Developers
More iPhone 3 Development Tackling iPhone SDK 3
Objective C Pocket Reference
Programming the iPhone User Experience
The iPhone Developer's Cookbook
The iPhone Developers Cookbook Second Edition