Pros: For its price, nothing could be better although I will pick at a few things in the cons department. This light is VERY bright with a GREAT beam. And it works this impressive with a RECHARGEABLE AA battery. It maintains brightness quite well during runtime, the switch is easy to find/click although it seems a little "weak" it works perfectly. I used it underwater and it holds up just great, although I suggest lubing the o-rings for such use, I did not do this before I "had" to go under, and it worked PERFECTLY with ZERO leaks! Nice build.

Cons: The switch "feels" weak, but is easy to click- perhaps not a con after all. It does get a bit warm during extended use (on full brite) as I expect such a brite LED would, but it is uncomfortable after awhile, although it could be used at low setting and it does not get as hot if this is an issue.

Other Thoughts: VERY nice, perhaps the nicest ever- of the small AA lights ANYWHERE.

Bottomline: GET one.
If you like another person enough, get TWO!

Pros: Best of the Cree single AA powered lights. Wonderfully bright but can be used in lower modes to save battery and be less blinding. I use one on a bike helmet in med strobe mode. Nice build quality.

Cons: Would be perfect if battery life were longer. As a pocket occasional use light there is no problem but continuous use is around two hours.

Other Thoughts: Has large enough inner diameter to use protected UltraFire 14500 rechargables.

Bottomline: Good value. Impressive output. Best when used with 14500 batteries but fine with AA Alkalines which are easily available

Pros: +Small and powerful
+I Have UltraFire WF-802C with Cree Emitter and this C3 is even brighter and not much bigger, fits well in pocket
+Very bright light even with cheap NI-CD batt. However the best performance is with TrustFire Li-Ion 14500 900 mAh batt
+Really impressive brightness, can light a whole room if aimed at the roof (Will post pics later)
+Different brightness levels for different situations ;)

Cons: -Would be nice to choose a spot of light or an omnidirectional lightning (like some other flashlights)
-Mine came with the glass a little loose, it sounds clicky if you shake it. I can live with it :)
-Mine didnt came with wirst band, but thats ok ;)

Other Thoughts: When i bought it was backordered, then it went on stock, and now, has been backordered again, that means the flashlight is really good, every one is buying this

Bottomline: Nice and cheap light that is worth every penny, Great light output, and the brightness levels makes it flexible to any use !!! a lot times better than any standard flashlight

Pros: +Different brightess levels!
+Mode memory!
+Feels good in the hand
+The body design differs a little bit from the pictures. It has some extra carvings on the middle part, but I think it makes it eaven better.
+Pretty bright

Cons: -The one I recieved had some artifact inside the led's glass. This makes the hotspot little dimmer on the other side, but I think I can learn to live with it..I hope.. :p
-When I recieved it the lens was loose and it rattled annoyingly. That was fixed by tightening the reflector(need to take the led-thing out first before you get into it. I made tool to screw it off by viling pair of little scissors).

Other Thoughts: Just recieved this today, so I dont have long experience with it..It's not the cheapest light in here, but I was willing to pay little more for the different modes with memory. The build quality of the parts seem to be good, but mine was assembled little hastily(those loose parts). It didnt come with any packaging or instructions, just the flashlight wrapped on a foam. Modes are changed by pressing the switch lightly.

Bottomline: I think its a good buy if you need a small light with regular batteries, and want to have different brightness levels on it.