Apple's not really ready to say it's sorry about the iPhone 4 antenna design, but it is willing to give all you darn squeaky wheels free cases foryourtrouble.
As long as you pressed that save button, didn't get any error messages foryourtrouble, and your hard drive still boots up, that data is somewhere on this side of oblivion.
Unfortunately, it doesn't appear that you'll be getting any discount foryour downloading trouble, and only those in North America will be able to snag the disc-less versions.