Service and DR was £2499 in 2019…
Looking at the various “issues” I think caution is a good idea 
As Svetty says £2499 for DR + Service means an existing DR’d version would be more cost effective.
I wasn’t aware of the ND555 Burndy requirement - nor the fact that 555PS doesn’t have one - all adds up very quickly & I’ve spent quite a lot this year already!
Again thanks to everyone for your excellent advice - its really appreciated.
The other way of looking at it of course is that for a purchase price of £2600 plus a service and DR at £2499 you’d effectively get an ‘as new’ unit for £5100 instead of £8500 or £7500 (price depends on which case finish the unit is)…
The Burndy is extra of course but they’re readily available on line for a couple of hundred or so…
If the 555 is not a DR I’d hold off. If you can get a 555PS DR then you’d be good with your existing burndy and you’d be able to use it should you go NDS or ND555 later. And FLAC streaming is not a problem on legacy streamers, you can use Kurt’s cloud solution for iRadio or run minimserver on a NAS for FLAC radio streaming via UPNP.
So would my existing Burndy work with an ND555 or do I need a specify ND version? Slightly confused 
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Already have a Raspberry Pi allowing me to run Qobuz & FLAC from NAS via Room on a Mac Mini.
Works brilliantly 
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The ND555 (and NDS and CD555) all require 2 Burndys which are specific to these models, but interchangable, i.e. you can use the same pair of Burndys on all 3 models.
To power the NDX requires a single Burndy which is known as the XPS Burndy. You can use this in an XPS or in a 555. if the latter 1 socket of the 555 will be used.
The 555 doesn’t come with any as it’s unknown by Naim which piece of equipment you need to power so you could end up with surplus cables which makes things expensive. The XPS on the other hand comes with a Burndy which is compatible with all components that can be powered by it.
Makes sense now - thank you. So I could get a 555PS now & use the XPS Burndy & when replacing the NDX with ND555 buy the required Burndys - I see an upgrade path
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Qobuz sounds so good through bubblesoft. I’m using a container on my QNAP.
Consider taking a look at Kurt’s cloud solution for integrating lossless through iRadio. It’s easy to do and gives you a back up in the event the RPi fails.
The ND555 will come with Burndies.
I have 555dr ps on my cds3 and it’s amazing the xps is good but 555 is a different league.
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nope.
Keep your Psu
Get a cheap nDac instead
Or…well… yes :-))
both
555ps now and nDac later
Is there a significant difference between case finishes? Apparently the 555PS came in “powder coated” or “Brushed and black anodised”.
Would there be a difference in 2nd hand value?
The brushed anodised finish matches the 500 series whereas the powder coated finish matches the rest of the range.
The anodised finish is more expensive and will be reflected in higher used values as well.
No, it’s case only difference.
The anodised case does have a very slight advantage sound-wise. In the past we’ve done the back to back listening tests on a few occasions at Naim. It was enough for me to go for the anodised casework even though I could have saved some money going for the painted version. Knowing how damping the cases results in a poorer performance, I would hazard a guess it’s possibly down to less damping against the painted version.
I was wondering why my 555 looks different than the rest of my kit. Good to know.
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