Some more random thoughts:
I suppose you've planned out your equipment rack. Its very important. It should be well-ventilated and have easy access to the rear. Mount your AVR at the most accessible position because it will have the most cables.
Make sure that your power cables don't run parallel with your AV cables, else you may have EMI. If they must cross, make sure that they are perpendicular.
Provide a separate circuit breaker.
Make sure you have a good big AVR (servo-controlled) and a line conditioner.
Your pj is very good but it will need to be professionally calibrated to get the most out of it.
Good luck!
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