Iv been reading about something called Boot 123, from what i have read it seems you can use Apple Update to update your osx86 when you use Boot 123.

I have 3 Hackintoshes and a Mac Mini, i would really like to get my hackintosh pcs to 10.5.8 but i dont really want to break them in the process... If i start using this Boot 123 will i be able to use apple update withoutcausing me some head aches..

is there any guies available for Boot 123?