I've found a link to an NX1, from ebay (like all things ebay - caveat emptor!), if anyone is interested.

Samsung NX1 28.2MP NX Mount Digital Camera Body | eBay
Find many great new & used options and get the best deals for Samsung NX1 28.2MP NX Mount Digital Camera Body at the best online prices at eBay! Free delivery for many products.
www.ebay.co.uk