Maglite Mini 2*AA LED has issues and should be kept away from. Besides it is quite dim.
Maglite Mini PRO 2*AA LED is quite reliable and well built and has very floody beam but bluish tint (uses XP-G). Puts out about 200 lumens with 2 Duraloop LSD NiMH AA. Simple to use with twist-on interface. Single mode, will only run for 4 hrs on NiMH (can run longer on L91). Close-up work may be difficult due to brightness. Currently duct taped to my bicycle handlebars as a headlamp. At $20 hard to beat.
Maglite Mini PRO+ 2*AA LED is $10 more than the PRO, but has a low mode that helps for close up work.
Maglite Mini 2*AAA LED is very bright but has very short runtime (1.5 hrs). Fit is lacking, with loose batteries and wobbly head, but it still works. Can be obtained for $12. Similar to a pen with chunky head, can be clipped in pocket. Very floody.
Maglite Solitaire 1*AAA LED is very compact but not very bright, and has short runtime (2.5 hrs). Great for non-flashaholic EDC use, as it is very lightweight. Teflon tape head threads to prevent accidental turning on. Plenty bright enough for indoor use. With NiMH AAA one of my EDC lights. Rather floody. Can be obtained for $10. Reliability is questionable.
Mag-Tac 2*CR123A not for normal use.
I do not have Maglite C/D LEDs, but I heard that they are very reliable and run a long time, and have good throw. If club-sized flashlights are desired, get them. Otherwise the 2*AAA penlight is just as bright, and AAA are much more common than C/D, making short runtime inconsequential. The Mini PRO/PRO+ are almost as bright as the Mag 2D LED PRO, but with shorter runtime (the PRO+ dim mode can run for a long time).