Make aniphone or ipod touch app. I know they are overrated, but you would getreally popular. And you could sell it for $1.
You realize that most people here on Romulation are hackers, so they might have already jailbreaked their Ipod Touch and iPhone, so selling them wouldn't be a great idea but making an app for us to visit is a great idea
Sounds like a nice idea to me. Making an iPhone app using the iUI isn't really hard. Here's a link to it, in case anyone is interested -> http://code.google.com/p/iui/ The effects are already there, aswell as the design. So everything you need is the core programm.