I want to add that on the dx sight there are two listings for that particular ultrafire. Both are mc-e, however, one is around 45 dollars and the other 76 dollars. I purchased the lower end. It has only 2 modes and I believe is is not being driven as high as the higher priced ultrafire. It is quite possible the Higher priced ultrafire may have better quality. I cannot attest to that. I added some indoor beam pics so hopefully that will help with your decision.
All pics are approx 25 feet from corner
ultrafire wf 1000 mc-e 2 mode
aurora mc-e 2 mode 1x18650
mte ssc p7 c bin 2 mode 1x 18650
streamlight stinger