For one, did you check the comparability of the gpu and water block?
you cant just slap on any waterblock for any 770, just cause it says its for a 770. ( just double check, 2 millimeters can totally make a difference, some models have revisions and can totally screw up a build )
You need silicone insert for your acrylic tubing, so that when you bend it it wont cave in. unless you plan to straight tube everything, then good luck.
I don't see any acrylic hard tubing...