Thanks for the tip, D S, on the ring removal - worked like a charm and I don't know why I didn't think of it. It has been the reason I haven't taken the BD can on a trip! Duh.
I had to try my version of this kit (SORRY - I haven't weighed it!!!!) :(
I use the BD can w/ 10oz 62deg water, Ti-wing Esbit stove, tealight (standard) w/denatured alc., roasting pan windscreen w/holes punched along the bottom, foil lid.
This thing can boil (full rolling boil) 9-10oz every time (yes, controlled environment, but I wouldn't hesitate to do this in the field since I don't need rolling boils to rehydrate my meals - HOT water will do) on just over 1/2 (1/4 ounce-ish) of a tealight of alcohol.
What will make me try this in the field is that after using the ring removal tip from D S, the plastic lid still fits :)