I'm working on an answer to this question as well. I want to upgrade a legacy MiniMag so that I have an AA rechargeable light (lots of NiMH sitting around here), and since it's a legacy light, I don't want to spend over $30. Reason? $30 is the price point of a new Nitrolon G2, and of course, there's no comparing... (and not only because they are different lights and designed to do different things)
This is what I've discovered so far:
TerraLux Ministar2
------------------
Runtime : Approx. 6 hours (from
their graphs)
Current consumption : 304mA
Brightness : 213,100mcd
Emitter : 1W Luxeon SE (side emitter)
MadMax Sandwich 1W HD
Runtime : Approx. 2 hours (CPF anecdotal evidence)
Current consumption : 804mA with alkalines
Brightness : 244,000mcd with alkalines
Emitter : 1W Luxeon HD (lambertian)
The current consumption, brightness and emitter data comes from the LED Museum - that site is fantastic, we really need to thank the guy for reviewing every darn light out there that is worth even glancing at. All the data I need is found right there in one neat place.
I'm leaning towards the TerraLux since it has a longer runtime and I might need a longer-burning light since the rest of what I have and plan to buy all fall into the category of high output lights. Burn the candle at both ends, get half the runtime.. looks like the quest for performance AND runtime has been going on forever /ubbthreads/images/graemlins/smile.gif
Of course, I've been spoiled rotten by the E1e+KL1 combination which delivers 351,000 mcd (again, LED museum review) AND runs pretty darn long, AND is tiny, and is HA3, and uses a really premium white HD Luxeon, and .. and .. etc.. /ubbthreads/images/graemlins/tongue.gif
Is the side emitter really that bad? I've always liked batwing/lambertian Luxeons, but never really had a chance to compare.