I've successfully reverted to 1.0.1 using information in the Mac OS thread. Go to:
http://discussions.apple.com/forum.jspa?forumID=1213. It has all the guidance you need to revert to 1.0.1. Below is part of my recent post within that thread.
"I downloaded the two 1.0.1 files (iPod_26.1.0.1.ipsw" and "iPod_26.1.0.1.ipsw.signature) provided on this thread by "Alain Claude Cl..." (
http://discussions.apple.com/profile.jspa?userID=1036653). Many thanks Alain. I followed his instructions, also in this thread, for installing them. I also found the posts from "sottil" (
http://discussions.apple.com/profile.jspa?userID=1033843 ) to be extremely helpful.
Thanks to everyone in the thread who kept this topic going. Until Apple gets its act together and issues 1.0.3 or 1.0.2.1 or whatever, the only solution is to revert to 1.0.1 following the guidance in this thread.