*It may not matter now, but...
I like the 460X better. It removes the drive bays at the front and has one at the BOTTOM-Front. It then has a covering that goes over it and the POWER SUPPLY which tidies up the case considerably.
The fans are RGB LED so you can change the color (or turn off) to match what the rest of the design.
Again, probably too late but I would look at motherboards and system memory that are black and white (maybe DDR4 that is mostly all white) as that can reflect a number of different colors better than for example a RED theme.
Same for the graphics card. The Asus Strix modern cards have an RGB LED on the side and back of card so both are visible.
Liquid Cooling support is good. Probably a 240mm radiator at the...