I can still only Safe Boot HD1. I have looked in System Prefs and there is nothing strange as a login item or on the other row. I do not know what I am supposed to look for in those other files you list or how I would know if there was a problem. The console log for my attempt at a normal boot this morning is as follows: (I have put Mutiple Repeat if there were many more entries for the line)
Mac OS X Version 10.4.11 (Build 8S165)
2014-10-14 09:03:23 +0100
2014-10-14 09:03:25.516 SystemUIServer[386] lang is:en
2014-10-14 09:03:27.057 SystemUIServer[386] AirPortExtra: no card found, exiting
2014-10-14 09:03:27.057 SystemUIServer[386] failed to load Menu Extra: NSBundle </System/Library/CoreServices/Menu Extras/AirPort.menu> (loaded)
No such process
Oct 14 09:03:32 andrew-holts-power-mac-g4 diskarbitrationd[44]: SystemUIServer [386]:20059 not responding.
2014-10-14 09:03:36.397 SystemUIServer[386] Unexpected setting for IPAddress key "ServerAddresses":
(Multiple repeat)
Workaround Bonjour: Unknown error: 0
2014-10-14 09:04:59.367 dotmacsyncclient[501] Failed to login to account - command failed: A failure occurred while synchronizing the .Mac Sync Client.
Oct 14 09:05:07 andrew-holts-power-mac-g4 mDNSResponder: ERROR: startLLQHandshakeCallback _dm-notification._udp.andrew.holt.members.mac.com. invoked with error code -65537
2014-10-14 09:13:18.724 loginwindow[78] *** NSTimer discarding exception 'launch path not accessible' that raised during firing of timer with target 43c040 and selector '_handleIdleTimer:'
input conversion failed due to input error
Bytes: 0x9D 0x3C 0x2F 0x53
input conversion failed due to input error
Bytes: 0x9D 0x3C 0x2F 0x53
(Multiple repeat)
Oct 14 09:52:47 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
Oct 14 09:52:48 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
Oct 14 09:52:50 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
Oct 14 09:52:54 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
Oct 14 09:53:02 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
Oct 14 09:53:18 andrew-holts-power-mac-g4 mDNSResponder: ERROR: getOptRdata - unknown opt 4
/XRefStm encountered but not yet supported.
/XRefStm encountered but not yet supported.
2014-10-14 10:00:27.693 SystemUIServer[386] Menu Extra: <AppleVolumeExtra: 0x40d450> is over retained.
2014-10-14 10:04:58.135 dotmacsyncclient[3922] Failed to login to account - command failed: A failure occurred while synchronizing the .Mac Sync Client.
2014-10-14 10:40:45.769 Address Book[5582] Could not find person in group
2014-10-14 10:40:45.769 Address Book[5582] Could not find person in group
2014-10-14 10:40:45.769 Address Book[5582] Could not find person in group
(Multiple repeat)