I see nobody has responded to your question yet. Holding down the power button won't reboot the phone for you? I haven't seen this issue yet. Did you get past it or are you still stuck here? I like self-fixing problems. Glad it worked out. I also added the instructions for a Simple Nandroid Restore, to the first post of this thread, after the Install SPRecovery steps. No mention was made of doing a backup and I figured that would be a good time to make one.