Just been to see the owner of Extreme Culture in Pontypridd. They build wheels Going to give him a go as he's always been good to me with bike bits, maintenance, advice etc.
And he runs a DH team now so his wheels should be built up nice and strong.
They'll be the Mavic D521CD rims on XT disc hubs. As for spokes, it's got to be black. Nipples, I'll take his advice on that one too