Switching to 26650 and XM-L U2 (or T6?), advice needed what to buy (in search for a new portable lighthouse)

LED Flashlights – General Info 26650 Flashlights
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The Trustfire x100 looks impressive (thank you for pointing me to it). But reading this topic I don’t know if it’s a real good buy.

Why do you think my list are no way U2 bin multi LED?