In hindsight I wish I didn't build most of these.
My ideal situation would've been playing on my 4790k + 1080ti much longer, then upgrading to something modest like a 5800X3D and 7800XT in 2024 to play on for another 10 years, would've saved so much monies.

Case: Be Quiet! PURE BASE 500DX Black
Mobo: ASUS ROG X670E-E Gaming Wifi
CPU: AMD Ryzen 9 9900X3D
RAM: 96GB DDR5 @ 6400 @ 32-38-38
GPU: ASUS TUF nVidia RTX 4090 24GB
1: OS & Apps: Samsung 990 Pro 2TB NVMe PCIe4 M.2 SSD
2: Games and Data: FireCuda 530 4TB NVMe PCIe4 M.2 SSD
OS: Windows 11 Pro 64bit
Monitor: MSI MAG 321UP 32" QD-OLED (3840x2160x165hz@10bit)
Cooling: Be Quiet! Dark Rock Elite
3x Be Quiet! Silent Wings 3 120mm as front intake
1x Be Quiet! Silent Wings 3 140mm as rear exhaust
PSU: be quiet! Dark Power Pro 12 Titanium 1500W
Mouse: Logitech G502 Hero
Keyboard: Logitech G413
Headset: HyperX Alpha S 7.1
Speakers: Bose Companion 2 series III PC

(Considering selling)
Case: Be Quiet! PURE BASE 500DX Black
Mobo: ASUS ROG STRIX Z790-F Gaming Wifi
CPU: Intel i7-14700K
RAM: 32GB DDR5 @ 6000 @ 32-38-38
GPU: MSI RTX 3080 GAMING TRIO X 10GB
1: OS & Apps: Samsung 970 EVO 2TB NVMe PCIe3 M.2 SSD
2: Games and Data: ADATA 2TB NVMe PCIe3 M.2 SSD
OS: Windows 11 Pro 64bit
Monitor: Alienware AW3423DWF 34" QD-OLED (3440x1440@100hz@10bit) (shared with other backup)
Cooling: Be Quiet! Dark Rock Pro 4
2x Be Quiet! Pure Wings 2 140mm as front intake.
2x Be Quiet! Pure Wings 2 140mm as rear-rear and top-rear exhaust
PSU: be quiet! Straight Power 11 Platinum 850W
Mouse: Razer Mamba Elite (shared with other backup)
Keyboard: Razer Cynosa Chroma (shared with other backup)
Headset: HyperX Alpha S 7.1 (shared with other backup)

(Considering selling)
Case: be quiet! PURE BASE 500DX White
Mobo: MSI Z590 PRO WIFI
CPU: Intel® Core i7-11700K
RAM: 32GB DDR4 @ 3600Mhz
GPU: MSI GTX 1080 Ti 11GB
OS: Windows 11 Pro 64bit
Cooling: DeepCool AK400 Digital CPU cooler
3x Be Quiet! 140mm Pure Wings 2
Monitor/TV: Alienware AW3423DWF 34" QD-OLED (3440x1440@100hz@10bit) (shared with other backup)
1: OS & Apps: 256GB Samsung NVMe PCIe 3.0 SSD
2: Games: Lexar NM620 1TB PCIe3 NVMe SSD
3: Data: Crucial 2TB SATA SSD
Mouse: Razer Mamba Elite (shared with other backup)
Keyboard: Razer Cynosa Chroma Keyboard (shared with other backup)
Headset: HyperX Alpha S 7.1 (shared with other backup)

(Considering selling)
Case : Jonsbo A4 SILVER
Mobo : ASRock A520M-ITX/AC
CPU : AMD Ryzen 5 5600
RAM : 32GB DDR4 @ 2666Mhz
GPU : Intel Arc A770 Limited Edition 16GB
OS : Windows 11 Pro 64bit
CPU Cooling : AMD Wraith cooler
Case Cooling : 3x Arctic P12 Silent
Monitor : Samsung Crystal UHD 55TU7040 (2021)
Storage : Lexar NM620 2TB M.2 SSD
Cheapo wireless mouse and keyboard.

(Will replace media PC if I sell that, might sell and use backup PC as media PC)
Model: Acer Nitro 5 AN517-54-71RN
CPU: i7-11800H @ 4.6GHz
RAM: 64GB DDR4 @ 3200MHz
GPU: RTX 3070, upgraded built-in panel to 1440p
OS and Apps: PCIe4 m2 SSD 512GB
Games: PCIe4 m2 SSD Samsung 980 1TB
Mouse: Razer Deathadder Elite

HyperX Alpha S 7.1
Logitech G502 Hero
Logitech G815 Lightsync
Alienware AW3423DWF 34" QD-OLED (3440x1440@100hz@10bit)

Cooler Master CM 690 III with 1x 180 intake and 1x 140 exhaust
Antec NX200M with 1x 140mm Be Quiet! Pure Wings 2, case fan and 450W bronze Be Quiet! PSU
HyperX Duocast Microphone
AMD Ryzen 7 7800X3D
Philips E-Line E1 245E1S/00 24" IPS 75hz