Found this great collection of iPad design resources for uxers, designers, developers - put together by iPad Atelier :

Sections include:

Emulator
Getting Started
GUI Templates
Icons
Layout
Fonts and Typography
Usability
Touch Screen
CSS Hacks
HTML5
JS and PHP
Video Demos
App Gallery
and Goodies

iPad Design Resources Link

 

Let's start a list of others:

Sarah Parmenter's iPad Wireframe

iPad UI Conventions by Fraser Spears on Flickr - Article in TechCrunch

iPad UI PSD

Do you know any great resources that are missing? Feel free to add any links you've found.