Apple Developer Connection - iPhone Dev Center - iPhone Developer Program
Finally The Iphone SDK is available for Download on apple site
The SDK is free but the have 2 different programs for applications
Standard Program $99
The Standard Program is for developers who are creating free and commercial applications for iPhone and iPod touch.
Enterprise Program $299
The Enterprise Program is for developers who are creating proprietary, in-house applications for iPhone and iPod touch.
When I tried to access the site it was partially loaded . I think I was the frist one to hit the website :)
You need to have a apple id and if you odnt you can create one .
They will send you a link in email .
here is my link that I got in a email . I would suggest you to use your own
Its working intermittently .
Will explore more .