I've tried like 20 times at least to upgrade 1.1.1 to 1.1.4 ( no jailbreak) but all I get is either error (1) or error (5) in iTunes. Any suggestions? I've gotten to DFU mode and regular restore mode, but nothing works. I can get from 1.1.1 to 1.1.1, but no 1.1.1 to 1.1.4. Argh.