Novisnick, your XSP-1 has an XPS-1 in it. And you already have a DC-1. I think your XSP-1 uses a more sophisticated power supply than a wallwart so you're already a step ahead (sort of). No need to purchase anything.
Transports: Sony BDP 5100 Blu ray player via RCA Coax PC using Musiland Digital Times WASAPI via BNC connection -
Amp: XPA-1 gen 2 using XLR connections. Speakers: Axiom Audio m80 V3, Sennheisser HD600 headphones. two pairs 12 guage speaker cables per monoblock for biwire. Headphone amp: Basx A-100 (INCREDIBLE VALUE WITH HD600s!!)