Hello. I've been using TextMate for writing Objective-C for the iPhone.
The features that come in the Objecive-C bundle are great but the supported frameworks for documentation look up and completion do not include the iPhone SDK / Cocoa Touch Frameworks.
This thread < http://thread.gmane.org/gmane.editors.textmate.general/25089/focus=25595 > resolved the documentation issue for me but I'm still trying to get completions for the iPhone specific frameworks/Classes.

So far I have tried to use the Index Headers For Completion command to index the Cocoa touch headers. I created a TextMate project and copied all the UIKit framework header files to the project folder. 
I ran the Index Headers command but the generated .classes.TM_Completions.txt and .methods.TM_Completions.txt files where empty. 
I then opened the GenerateMethodList.rb script and added "UIKit" => "UI" to the "translate" array. After doing this some Classes show up in the generated completions files but the list is far from complete. This is the generated clas list: 

I don't know why the NS* classes show up in the list and I dont know what sets the UI* classes in the list appart fro all the other UI classes that didn't show up. I've never written a single line of Ruby and there are a lot of things I don't understand in the generateMethodsList.rb script 

Allan or anybody else, If you are listening, could you please give me some pointers as to how to index these header files (Along with the other iPhoneSDK/Cocoa Touch header files) and use them for completions in my projects? 

I would love to help including this in the official Objective-C bundle or help create a new Objective-C iPhone bundle.