Thermal Grizzly - Kryonaut Extreme - currently best thermal paste for CPUs.
Any gaming laptops powered by 14900HX and RTX 4090 are currently most powerful gaming laptops.
I would recommend the ROG Strix X670E-E.
For RTX 4080 SUPER, a 850W psu is enough.
I can understand your concern about high CPU temperatures on your ASUS Zephyrus G14. Disabling the CPU boost feature can indeed help manage temperatur...
Here are some good CPU cooler options to consider for the AMD Ryzen 7 7700X: Noctua NH-D15 chromax.black ($109.95) Dual tower heatsink design wi...