I cannot overemphasize the importance of power supplies. I started with an Antelope Zodiac Gold, then added a Voltikus power supply. Upgrading to a Zodiac Platinum with an upgraded Volikus power supply brought the next quantum leap. It ll really came together when I replaced the Platinum Voltikus with a Sean Jacobs DC3/4 PSU. In all of this I cannot overemphasize the importance of power cables and DC cables. In digital music any incursion of RMI/EFI or ground level noise has immediately audible nefarious effect. Rather than nuy new streamers or dacs upgrading power supplies is the more beneficial trade.To wit: the power supply cost more than my dac. Same story on the Etherregen: adding a top of the line Zero Zone PSU brought the upstream link up to snuff, again at significant cost.