Has anyone else done this? Can this be done while rooted?

Nevermind. The lack of sleep must of gotten to me. I woke this morning and everything worked flawlessly.

I've tried three different types of drives. I tried the Win32DiskImager as well as both the windows and mac pre-setup instructions. No matter what I do, I keep getting the "Update Data Error". Is there something else I could be missing? I was able to do the 20120126 update via usb. Any sug...