I've been trying to get my Retail installation to work but the big problem is getting my 8800GTS 320MB to work consistently.

I've pretty much come to the conclusion that it ceases to work after the Leopard graphics update, any ideas why? I've tried all the normal installers, Punk92, Scott Nvinject .41 with the 10.5.2 OGL drivers and even copying the packages from Leo4all v3 and now iAtkos v2. Each distro my graphics work but with my retail, it doesn't. Here is the order that I install

-Install 10.5 from retail
-Install AHCI, audio, Realtek R1000, AppleSMBIOS kexts
-Remove CPUPowerManagement and EFIRuntime kexts
-Update to 10.5.2 through combo update.
-Install Wireless driver and video kexts (10.5.2 OGL kexts/framework and nvinject)
-Reboot, video works
-Install only leopard graphics driver
-Reboot, blank screen

Any ideas? Post anything, everything. Thank you.