About the throw record, I guess it depends on your definition of “portable”. Large fresnel lenses make it pretty easy to get huge throw numbers, but the beam is not so nice. What did you mod today? - #1519 by EasyB
Edit: of course the design and execution make a big difference to the usability of the light. For example my light in the link above I put together in an hour or so, but it’s flimsy and not so nice to use.