So you want QEmu as a marketing device - nothing wrong with saying that,
right?
I'm not in marketing. :) But, I do work for Intel, on tianocore.org
and thus UEFI. I've been working with Tiano/EFI since ~2003, when
Intel started converting its desktop motherboards over to a Tiano code
base. So yes, I have a bias.
I think (but no, I cannot back this up) that tens of millions of UEFI
compatible motherboards are shipping out each year now. Microsoft has
implemented UEFI support in Vista and Win7. Several Linux vendor have
or are enabling UEFI support now. Mac OS X implements UEFI.
My point? Well, while I think QEMU support for UEFI is still valuable
to help support UEFI adoption, I think it could have done a lot more
for UEFI if it was done several years ago. :)