I tried it briefly last night by installing it on a usb stick and copying over kexts from my EFI partion. It seems to support dsdt, haven't tested with EFI strings or smbios.plist as yet.

Aesthetically it's much closer to the real Mac bootloader, even has the same sliding transition when switching between drives. It also shares the keyboard like holding down C to boot a cd.

Going to have a longer play tonight - looks very promising

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 Mac OS X 10.6.4 Retail || Intel Core2 Duo E8200 2.66GHz || Gigabyte G31M-ES2L || GeForce 6600 GT 128MB || Realtek ALC883 Audio || Realtek RTL8169 LAN || Samsung SpinPoint F1 1TB HD || Sony Dual Layer IDE DVD RW DW-D22A || Apple Aluminium Keyboard || Mighty Mouse

 MacBook Pro || 2.4Ghz Core 2 Duo || 200Gb HD || 2Gb Ram || NVIDIA GeForce 8600M GT

 iPhone 4 || 16Gb