I have yet to retune the HU after it lost power, I can never remember the clicks I have to do when the HU starts up to get into the real controls of the unit. But so far even with base settings it sounds great!
As for the cap, I dont really need that, the total wattage/amps used so far has not made the lights dim or anything. I added the PowerPlant cause I simply wanted a bit better power management for my amps. I have considered upgrading my amp in the near future, but that is about it.
I also LOVE my SXI* component that allows me to use the wheel controls again. I even setup play a source selector, and the AM/FM scroll through my MP3 albums. And most importanly my MUTE and Volume work perfectly! Now I just have find a nice location to route the I/R for the unit.
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