I have recently reworked PC EFI 10.5 so it can replace/add more tables (or drop them)
They also have been updated with Apple data (identification set the same as real macs).
The following ACPI tables can be added/replaced/dropped:
DSDT table (ofcourse, but not dropable!)
SSDT tables (SSDT-0.aml to SSDT-30.aml)
HPET table (HPET.aml)
Smart Battery Subsystem Table (SBST.aml)
Environment Controller Description Table (ECDT.aml) (this adds boot-ec to IORegistry!)
Alert Standard Format Table (ASFT.aml, identified as ASF!)
DMAR table (DMAR.aml)

FADT table (FACP table, FADT.aml)

Update, Release 2:
-- New --
Loading FADT (FACP) replacement... This version also updates the XSDT (original code didn't).

Update, Release 3:
-- New --
Automatic ACPI V1 to V4 upgrading through UpdateACPIVersion=Yes boot argument.
Automatic old short style FADT to newer V4 FADT autopatching with UpdateACPIVersion=Yes.
Auto generation of an XSDT table from the RSDT table for ACPI V1.
Loading APIC replacement.
Loading MCFG replacement.

-*- Downloads -*-
Sources:
http://rapidshare.com/files/34155062...c-AnV_Rel3.zip

Source diff:
http://rapidshare.com/files/34310454...ments.diff.zip

Release for Laptop:
http://rapidshare.com/files/34154825...P_Rel3.pkg.zip

Release for Desktop:
http://rapidshare.com/files/34154862...P_Rel3.pkg.zip

ECDT table (should work for all):
http://rapidshare.com/files/325673058/ECDT.aml.zip

Enjoy another new release

BTW... Those that like it and wouldn't mind sponsoring me for my work... please do a Paypal donation.