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OS X 10.7.3 is working well on Dell Inspiron 6400. Everything works except sleep. I could not test sleep as my power button is broken and I use the MediaDirect button to start my laptop. I have not used any DSDT or injection. I have not had a single KP so far. Please note that upgrading to 10.7.5 and above will break the OS, it will boot to a blank screen. if you patch the AppleIntegratedFrameBuffer.kext, it will panic as the patched version is not supported beyond 10.7.4. To get it to work on 10.7.4, you need to patch AppleACPIPlatform.kext with the one from Snow leopard 10.6.8 and al

I apologize in advance for the length of this post... I suspect that may immediately turn off some people. Forgive me, but I tried to include all the relevant info I could. I have an Inspiron E1505 (aka 6400) running SL (10.6.8) and I'm investigating various hardware upgrades. I probably won't do ALL of these, but I'd like to know if there are any OS X compatibility issues with any of the proposed hardware upgrades before I start spending money. I'd also appreciate any "performance" related responses, ie "not worth it" or "definitely worth it" or hardware compatibility issues, ie "yo