As above from Sainsbury's entertainment, good price for a really good transfer.
http://www.sainsburysentertainment.co.uk/en/Films-TV/Blu-ray/Andy-Wachowski/The-Matrix-Trilogy/product.html?product=E10365706
http://www.sainsburysentertainment.co.uk/en/Films-TV/Blu-ray/Andy-Wachowski/The-Matrix-Trilogy/product.html?product=E10365706