Where to go from here? (teach an old hackintosh new tricks)

Hey folks, I'm just looking for some advice with regards to my hackintosh-- I built it back in 2014 When tonymax86 was "the place" for hackintoshes, using their methods (unibeast or multibeast, I think? It was a while ago. Certainly didn't use Clover as I dont think it was a thing yet.)

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The specs of the original machine I built were:

Motherboard: GA-Z87M-D3H

RAM: 16 GB 1333 MHz DDR3

CPU: Intel Core i5-4670K

GPU: None

Storage: 2 1TB HDD (one for osx, one for windows), 1 Optical Drive

Power: 500 watt power supply

Case: Fractal Design Core 1000

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Now, it was originally installed with Mavericks, and I used it in college for music production and audio engineering. Fast forward to 2019, 3 or 4 moves later, I still have the same hackintosh, but I've slowly upgraded it over the years.

I added in a NVIDIA GeForce GTX 760 2047 MB GPU, I removed the optical drive, and added in an SSD to move my OS onto, to boot and load certain applications faster. At some point, I was fed up with Mavericks, and upgraded to Sierra on the SSD (using methods outlined on this subreddit), keeping all my music and other documents and folders on the TB HDD, just reinstalling OSX Sierra on the SSD along with some applications.

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At this point, I've had the case and some components of this computer for five years, and it's wearing thing-- I have 2 displays (one of which is an ultra wide monitor), an audio interface, a MIDI interface, a separate USB mic, etc etc. I'm getting to the point where if I want to plug in a webcam, I have to unplug other peripherals, since my power supply can't handle it all, and my computer crashes.

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I think that I'm way past due for a new case, a new power supply, and maybe some more RAM and a better CPU if I can muster it, but I'm pretty concerned about the integrity of my hackintosh-- since I built it so long ago and have piecemeal upgraded it so many times, I have a paranoia that if I buy a new case, and just transplant all the guts of my current build in there, everything's going to explode. I don't want to risk being without my main source of composition in case everything breaks so I'm asking here, where should I go from here?

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I feel like I'm at an impasse, if I do nothing, my build /works/, but I know it could work better.

So my question:If I buy a new case that fits my build, and take everything from the old case, put it in the new case, turn on the hackintosh, will everything break? If it's EXACTLY the same parts inside, just a different case, will the hackintosh gods frown upon my family, or will I be ok? If so, do I dare look into a new power supply, GPU, or RAM, or is that just asking for a bolt of lightning to strike upon my workstation?

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Sorry for the kinda dumb questions, thanks yall