Finally found one in the UK.
Neutriks on both ends and is cheaper than anything else I've seen.
£12 for 5m and free Postage ...
Edit: Hmmm ... won't fit the KPA end - looks like only the plastic type will work
just a quick update - something funny with both of the ones I ordered, the remote powers off randomly. I suspect the cable isn't of high enough quality. So don't buy.