The NDA is dead! long live the ... err...
The iPhone NDA has been taken down. Or rather, will be in a bit. At least for released stuff, which approaches normalcy.
Thanks, Apple! We love you again.
Well, except for that review process, but this is better than nothing.
Just about as normal as the Mac OS X betas are. They are under NDA too as long as they have not been released. Once they are, you are free to share your experiences with anyone you may want. Not counting the still-really-not-good-approval-system