Out of curiosity, if you are such a OS X/homebrew fan, why not try a Hackintosh setup?
I don't know if you can get a dual-boot working well with OS X, but worst case scenario you can have a HD for each OS (after all, you have a desktop now and no longer a notebook) and boot the Linux disk in case the Hackintosh starts to show any signs of trouble.
I don't know if you can get a dual-boot working well with OS X, but worst case scenario you can have a HD for each OS (after all, you have a desktop now and no longer a notebook) and boot the Linux disk in case the Hackintosh starts to show any signs of trouble.