Tron is actually the theme, glad you saw that. I tried to make the tubing look like a light cycle path. I plan on doing some more decorative work to to give it more of a grid look later on.
Drain lines are a must. I don't understand how people build loops without them. I had to use it once already to remount the gpu block. I put a small ball valve with a threaded cap on the end of it, that way all I have to do is thread a fitting and my drain tube and out it comes.
And yes, this was my first water build. Loved doing it. Still can't believe I wasted almost no tubing. I'll have to return four pieces to FrozenCpu that I bought just to cover mistakes.
Now I have to convince family to let me cool theirs as well....