Hey guys,
Thanks for the tips. I had no idea that I could just get a cheap upgrade kit for the maglite. How does the LED Minimag compare to the Fenix and Surefire? I've heard good things about the former. Would it be worth spending extra to purchase one of those rather than simply upgrade the mag?
Davide, I think to begin with, you need to ask yourself for what tasks do you plan to use this light (like you'd do when selecting a knife). The requirements for a light you'd use to look under a kitchen sink or behind the tv are usually different from the requirements for primary hiking light or emergency light. For instance, the three main flashlights I have fill different primary roles (I won't even get into small EDC lights

).
I grew up using a 2AA incan Mini-Mag, it was fine for what it was. But when I got the LED version (full commercial, I didn't get a drop-in/upgrade kit), I was blown away by the uniformity of the beam and the quality of the illumination in contrast to its incan predecessor. As I said before, the LED Mini-mag is a great basic light. Decent throw, decent spill, runs on easily found AA, weatherproof, and durable. It's a solid general use flashlight, and I don't turn my nose up at it. For your basic everyday needs, the LED Mini-Mag will serve well. I use it around the house, in the car, or on night walks in the neighborhood sometimes. I sort of think of the Mini-Mag as the Buck 110s, or Moras of the flashlight world.
Eventually I realized I wanted something that was bright, had a simple user interface, and ran in one mode, for a "go-bump-in-the-night" light. I don't want to be fiddling with turning a bezel and focusing a beam when I'm groggy and half awake; I want something that would brightly light up my room or apartment with minimal fumbling. After a bit of research and asking the forum members here, I arrived at the Surefire G2 LED (Thanks MorimotoM). I could not be happier with this light; it performs in that role flawlessly. It sits on my nightstand most of the time and gets used in the bedroom, but it also did double duty for a while as my go-to outdoor light because it's that good. I won't get into all the features, but the ones most relevant for my intended use (bump-in-the-night and general emergency) were: Bright illumination, one mode, push tailcap activation, sized in the Mini-Mag range, light weight, regulated output and good runtime, and long shelf life CR123 batteries.
After years of using the Mini-mag as my outdoor flashlight, I decided I wanted a dedicated light that I could assign to a more outdoor/survival role. In particular, I wanted a light that performed over a longer period of time with little to no dimming, could be used in a high or low mode, and was waterproof as opposed to weatherproof. As I mentioned above, the Surefire G2L performed well in this role, but it didn't meet all of the requirements mentioned above. So after more research, I settled on the Fenix L2D (Q5). For its price range, I think it's one of the best outdoor/survival geared lights out there. The key features that attracted me to it were: Regulated output (in contrast to the Mini-Mag which steadily dims over the entire life of the batteries), multiple modes ranging from turbo to low, excellent long runtime on low setting, waterproof (at least 2 m submersion for 30 min), good beam and spill pattern, lightweight, unobtrusive like the Mini-Mag, and runs on 2AA batteries that are easy to find when away from home. And although I would rather use the Mini-Mag as a pocket stick / impact weapon, the Fenix is no slouch in the durability department; it's build quality is great. All in all, the L2D is superb.
So as you can see, each of the three lights fills a different niche for me. Sure, I could use any of them for the entire range of tasks I would normally encounter, but I like using lights that are more efficient or perform better in certain tasks over others.
Utimately, of course, it comes down to how much you are willing to spend. If I had more coin, the choices above might have been different, but these are the ones I could afford. If you're willing to drop a bit of money, I'm sure you could find a light that exhibits all the qualities you like about the Mini-Mag (ergos, build quality, and durability) plus vastly superior performance. Off the top of my head, I would point you towards the Surefire 6P or E2 series though there are many other manufacturers out there worth checking out (Fenix, Nitecore, Streamlight, etc). If you'd rather spend money on other things (more knives!!), I'd say the LED upgrade is a great idea.
I don't know if this long winded post helped you at all, but good luck!!

Also, as Shunsui pointed out, check CandlePowerForums for real expert advice :thumbup: