[INSTALL] Arch on iMac, tripleboot using Bootcamp

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https://bbs.archlinux.org – Hi,I have been searching on this topic(google, forum, wiki), but I haven't found anything, the reuslts are outdated or incomplete etc...So my question is: Is there a way to install Arch using the bootcamp tool, without rEFIt?Currently I'm running Ubuntu and Windows using bootcamp and grub2, without any manual or special configuration... How is this possible? I mean, I thought there would be problems with GPT table format and so on.Anyone successfully running this tripleboot configuration?When installing Arch do I have to install grub2 or just the normal legacy grub?Any step-by-step g (HowTos)