Several iPhone development websites

[suzvenus]

I'm a newbie of iPhone app development so I always need to search information from the internet. These are several iPhone development websites which i think interesting and useful. I hope you can like them.
1. Cocoa Dev Central
a cocoa tutorial website
2. iPhone Programming Tutorial
an iphone app development blog, I find many tutorials on the right bank of this blog, the blog author will teach you from the SDK installation to develop many simple plug-ins.
3. 9 iPhone Memory Management Links and Resources
an development blog too,about memory management.
4. CS193P - Cocoa Programming | Announcements
a serious of tutorials from Stanford University,include code and tutorials documents.
5. iPhone SDK Examples and Tutorials - About Objects
many tutorials, but an advanced level

[ff10]

I'll add this:

iPhone SDK Articles. Inactive since march but still a useful resource of tutorials for beginners.

Stackoverflow iPhone Tagged Questions Great q/a community with top contributors.

[rwenderlich]

Another one to add:

iPhone Development Blog by Jeff LaMarche, the author of Beginning iPhone Development, a book which I highly recommend.