Chipset and vid ram wb

i want to make a chipset cooler for my Epox 8rda+'s nb and a WB for my video card's ram.This is my frist time making a water block so i'm alittle lost on what design to use and if i should use copper or aluminium and what are the prices for these metals.

Check the links at the top!! onlinemetals.com

I still need a design and how many oz. do i need of copper do 8i need.