Thank you very much for your input. I have some questions:
Why did you de-dome your LED, what are the advantages?
As far as the circuit board modifications, these 2x100Ω resistors are the current sense resistors, and you lower their value to increase the current, right? Are all the modes increased linearly and how hard can the XM-l2 be driven, and how much current can the driver support?
Isnt mt-g2 a 6V LED? Is the circuit capable of driving it?