Sorry to be posting without waiting for answers, I'm not "up'ing" the thread or anything, its just this could be a great thread to get some "fear of the unknown" out of the way and help people decide what best suits them!

I found this thread regarding 10.5.5 stuff, with many straight forward answers. But not all.

http://www.insanelymac.com/forum/ind...owtopic=109102

For instance;

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DSMOS Script Fix:
This option will change the "1" script to read from DSMOS, therefore you can restart safely without worrying about it. This option also fixes all driver permissions.

• some of you may have bad bios issue--where it stops booting after saying some buffer message... like in dDub's case, in this case, you may need to use your old acpi driver, which is saved in /backups folder before the update started which is done by the prepare update package option, also make sure check this web site for possible bios mods/request mods... (http://osrom.net/biosmod/)

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The explanation is good, but , in the first line ".. without worrying about it ..."

What is it ? Makes the rest a bit confusing.