DragonFire SDK lets you develop apps for the iPhone on Windows!

also this http://wisdk.c.la/

DragonFireSDK is still in beta and you need to apply as a tester. If you want to do so, you can send them an email. You can also find more info on the official site.
and it is based on more popular programming languages: C and C ++ using Microsoft Visual C ++

Interesting Topic and just in time.
I'm working on an IPhone App project.

Thanks for sharing

Another saved link to be checked *later*.