I have one with a massive copper heatsink made by NikolaS, allows to fit a 32mm MCPCB.
It has a dedomed XP-L V6 1A mounted on noctigon 32mm, FET driver with ramping FW and UCLp lens. The light works well but can use some re-focusing, but even as-is it makes about 240kcd and will run full blast without ever getting too hot. And of course you can mod it further.