Repairing the game worked for me. You have to stop the update first before the Repair option becomes available. After repairing, I was immediately prompted to agree to the terms of service or something again. Once I agreed, the download started instead of the Preparing status. It has now made it past the 8.46GB mark.
Yeah, I had this too. I'm surprised others did too; I thought it was a computer problem, but apparently not! Thanks for bringing this up in the forums man!