I just got iOS7 and I must say that it is the bees knees. But Tyler Moss (tysiphonehelp on youtube) posted a tutorial on how to get the GM (developer copy) iOS7 before they actually released it to the public.
Tutorial: Tys iPhone Help - Tys iPhone Help - How to get iOS 7 GM Now! (no developer*account)
Tutorial: Tys iPhone Help - Tys iPhone Help - How to get iOS 7 GM Now! (no developer*account)