Replacement for n-DAC/555PS, suggestions ?

Looking at my source now for possible upgrade. Happy, very happy with the rest - 252/SCDR/300DR/ProAc D48R and SL DINtoDIN I/C , 4m of SL Speaker Cable. To upgrade to either a 5552/500 is way out of reach for me now and possible forever.

Which leaves open the source side. HDX /n-DAC/555PS -non DR. TBH I am happy with it, but you always wonder what if ........ I guess.

Budget wise I can either keep 5555PS and do the DR upgrade , sell the n-DAC/555PS and keep HDX , sell n-DAC & keep 555PS and look at the new NDX2.

Or another out of the box move is sell all the front end and go CD player only. So looking at doing Audio Research CD6 as a start.

Possibly the Chord DSX 1000 as an option and keep HDX ? I did think about the Chord DAVE DAC but it is now off due to extreme cost where I live.  NSD is off the option list due to price and the fact I need the 555PS and that will keep trade in prices too low for me.

Any other CDP / streamers / DAC that I should be doing a demo of a possible replacement for n-DAC /555PS . Or is this really still the real deal and I am wasting my time without spending big $$$$$$ to find better ?

Best,

Peter