After getting pretty far along with a jQTouch web application for our website, my boss and I decided we may as well just make a true iPhone app instead of struggling with sloppy flickering animations and login authentication issues. We currently have a fully functional web site with some SOAP web services, but we are looking at rewriting these in order to make it easier for the iPhone to call the web methods (for displaying search results, categories, and article) for our app. I have not started anything on the iPhone yet as I am not sure which direction I should be taking.
For a developer that is somewhat unfamiliar with Objective-C (I understand the basics and the syntax), what tools do you recommend to create an iPhone app that uses data from ASP.NET web methods? If everything I need is provided in the iPhone SDK, where do I start?