Wheelbuilding / Wheel Building / Wheel build help

For the DT Aero comp I find these brass 2.0 nipples to go along well - and (heavy)birds on weightweenies sing about going 14mm on chinacarbonwitchcraft-rims http://www.bike24.com/1.php?content=8;navigation=1;product=15732;page=1;menu=1000,2,302,303;mid=0;pgc=0;orderby=2

Most carbon rims need 14 mm nipples. The rim bed is typically thicker than alloy ones.