The general consensus I've heard from other developers is:
1) They don't want us to use BIOS
2) If they haven't heard of EFI, they want us to use OF
3) If they have heard of EFI, they want us to use EFI
This is not a statement about what Apple will use, just what I've
heard from developers that have an opinion on the subject.
Speaking of opinions about what Apple should use, though I'm nobody
important, let me offer my 2 cents...
The most shocking thing to me in the announcement was that none of
the released material mentions anything other than IA-32. Please,
guys, if it's at all possible, use x86-64 out of the gate. Even if
you have to keep the system 32-bit for now (somebody smack me down if
I'm wrong, but I believe it's supposed to be possible to use x86-64
extensions without using 64-bit addresses).
I actually already filed an enhancement bug on this, while I was
somewhat more emotional than one should be while writing a bug.
