Nice variation of the "Windows 2-stick" there, although you've opted for some invasion into the retail image and the use of an "s10ext" folder which I personally wouldn't. As a further development, the postinstall could be integrated into a .pkg, as could the chameleon installation.
I see you remover AppleHDA.kext rather than adding it to Disabler.kext, which would be more update-proof.. I'm not sure this is necessary either, I haven't done it and experience no problem beyond the usual. VoodooHDA conflicts with any *loaded* HDA kext, but as AppleHDA doesn't load, this shouldn't be an issue?
I see you're still using the DSDT patcher from DellEFI : what does that actually contribute? the specific patches are for battery and lid on the dell mini9 if I'm not mistaken, and the original DSDT patcher patches HPET & RTC which afaik aren't needed? I'm running without a DSDT patch at the moment and see no difference with this particular patch.
The pre-&-postsleep sound kludge will hopefully give way to a proper fix, I've been playing with this but no useful results as yet.
I assume the first_boot thing is a workaround for the bluetooth issue? that's another one that needs attention..
The zephyroth time fix is one of many, although the classic is AppleTime.exe (from apple) for this very purpose, it's part of the bootcamp drivers.
having unpacked your Extensions.mkext I have to say I'm rather confused.. (see picture) you seem to have an awful lot of IONetworkingFamily.kext plugins you don't need loose in there?
all in all, I hope we can soon get past the "release bundling" stage and concentrate on the real issues: bluetooth sleep, webcam sound (mic/sleep) etc, and get rid of the final hangovers from DellEFI
altogether a great step in the right direction
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