@arturos73 Great opening post. Clearly laid out and full of information.
@whart Provides a terrific summary and approach.
Having recommendations as a guideline from those like @gdnrbob as a fellow Vandy owner and others who have similar equipment or setup to yours will be valuable. But as already pointed out, only you can drive this.
To your specific question about IC vs PC, which first:
Ideally, both simultaneously, but if you need to take a stepped approach and do one step at a time, I would choose the power cables first without hesitation.
@whart Provides a terrific summary and approach.
Having recommendations as a guideline from those like @gdnrbob as a fellow Vandy owner and others who have similar equipment or setup to yours will be valuable. But as already pointed out, only you can drive this.
To your specific question about IC vs PC, which first:
Ideally, both simultaneously, but if you need to take a stepped approach and do one step at a time, I would choose the power cables first without hesitation.