Okay, so... I just verified that I still experience the hangup at T-12 now with QSC enabled.
Here are my settings, maybe I'm doing something wrong.
Installation Platform:
disc
All Driverpacks (including 3rd party - NO mass storage text mode)
Method 2
Custom Finisher
Keep The Drivers Enabled for ALL driver packs
Custom cache location - %SystemRoot%\system32\DeviceDrivers
QSC Enabled
ATI Catalyst Control Panel (not Control Center)
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All driver packs are up-to-date
I've tried with QSC disabled, but that didn't add the KB888111 cat file when it added it to the svcpack.inf
I still see "finisher method" listed as GUIRunOnce when I look at overview.
I am really close to giving up on driver packs...