I feel the same. I did play some COD online last year for the first time in years and held my own. I'm in my early 50's now and just don't feel like doing that much anymore. I was always a UT99 guy who enjoyed playing against bots and that just stuck with me I suppose. It just sucks that so may...
If you don't care about getting a new case I'd recommend something that can support top, front, or side radiators. something like the Corsair 5000 or 7000 series.
Here is a bit more in depth review of the 6500X as well. Nice case with a few flaws that honestly wouldn't stop me from buying it.
https://youtu.be/cmiD4Fr7848?si=Xxq9xus4d25d9Xb8
I have used the Corsair 7000X/D cases as well and they are very nice. Still have them and I always seem to find my way back to them on occasion when I get bored and decide to switch hardware into them.
I was running a 13900K for months with zero issues with any games. The only reason I switched to an i5 was due to heat and combined power draw with the 4090. I realized then that you really don't need to have an i7 or i9 to have an excellent gaming PC, and from what I'm seeing now I made the...