Looks very nice idd but like some people said: i don’t have an iPhone maybe you can extend your project so other devices/operating systems can use this application too? And maybe you should use Flex to build mobile apps as it has the ability to export to mobile devices like iPhone, Blackberry, ... Just a tip
Looks like a very cool app! Excited to see the end result!
Looks awesome! Mailed you with details looking forward to the app!