My main purpose is to channel most of the heat somewhere out of my room, I don't want the warm air to stay in my room.
If you can have a radiator outside your home, I would suggest you get a dual Laing D5 or a single Iwaki pump setup. Then for the tubing from your pc to the radiator I would suggest Tygon Neoprene tunings.
Another suggestion would be to build a radbox or get an external radiator unit like those offered by aquacomputer.
If you are interested, feel free to pm me. I would be glad to provide you with insights and advice.
Possible meh? Encourage ppl to void warranty?
Anyway... I always tot copper is a better conductor for heat... how come nickel is more expensive?
Well, aftermarket cooling is always about voiding warranty. You just have to be careful during the installation of waterblocks. GPU waterblocks these days are very easy to install. After all, in Intel warranty terms, warranty is actually not honored if you use a third party cooler.
Nickel is slightly less conductive in heat, but most nickel waterblocks you see out there are actually nickel plated copper blocks, so the effects is negligible. However, nickel plated blocks are good looking and are corrosion and oxidation resistant, hence their popularity.