I'm running a PiKVM DIY on a pi02w. Adequate, but I'd like more functionality and performance.

I bought a SiPeed NanoKVM. It caught fire 15 minutes after being plugged in. Despite providing pictures of the charred PCB, they insisted I ship it back, costing me €20, and then tried 3 times during the transit to get AliExpress to void my return as fraudulent. I eventually provided proof of signed delivery to their people on the last possible day of my final appeal, and AliExpress ruled in my favor, refunding my purchase price but not the return shipping cost. Better some money back than none at all!

Maybe just buy the JetKVM. It looks nice!