g4 cube mod i7 itx

Hi everyone, Just acquired a great looking cube (been trying to find a good one for a fair price) I got it in Mexico and have it delivered to the US. To be honest it is a shame to have to take it apart, it's so perfect! But then again what's the point of having it sitting on a box. So, I am...

Planning to mod my g4 cube with: 35w i7 cpu GTX 750 ti 8gb ram 256gb ssd Unique expectations of the build: Figuring out psu... maybe sfx? Probably just Pico Back window to the motherboard Maybe passive? CPU and GPU or whatever I can get away with Black paint job. I plan to do this over a...