Hey buddy, I know how you feel. I to was looking at those same exact lights, and a few others. I loved how the TA21 looked, and no other flashlight could compete in the looks department. But then I could not bring myself to spend $100 on a flashlight that won't have a significant amount of improvement over my TK20. Keep in mind that the TA21 is many years old, its emitter is pretty much obselete (Q5) nowadays. I can feel Fenix coming out with another TA model already. You did not mention or specify what you look for in a light other than lumen and looks. So I will try to help you to the best of my ability. TA21 for looks and general use. Not a thrower and is not considered bright for the money nowadays. A few years back it would have been worth its price, now, no way. The TK15 for a useful beam pattern, simplicity and portableness. Comes with a holster, something the TA lacks. For a $200 limit, you have enough for the big boys. If your looking for throw, wait for the TK41 (8AA) but it has 55,000 lux and its speculated in chinese sites at $120. The next competitor is the Eagletac m3c4 XM-L at 39,000 lux. 2 18650. same ring UI as TA21 without the indentations. $150. Next is the Fenix TK35. 20 lumens more (not noticable at all) than the TK41 that's coming out. But its much smaller, think LD40 except a bit bigger, or twice the size of a TK15. 820 OTF lumens. A real Beast, $110, but only 27,000 lux because its reflector is small, as the body. If you want single 18650 lights, the Armytek Predator. I love this light. Don't have it, never will, because its too expensive $150 when there are much better options, but it gives 16-18K of lux at 1.5 amps to an XP-G R5. vesitile like the TA, and looks agressive like the TA as well. 0.7 lumens is its low mode, at a ridiculously long runtime!!! If you really want overkill, get a 50 watt HID. only $150, in a wholesale website because of the shipping. search in google cheap HID and go the the shopping results. 4500 lumens, around 200,000 lux. No warranty however, so its a big risk. and its pretty big, it uses a 6 18650 battery pack. So bottom line, check these lights out and don't hesitate to PM me. I'll more than happy to help you. ANY question, just ask. But make sure to PM because I might not remember this thread. If you have trouble deciding between two of them, JUST ASK me. Oh, yeah, forgot to mention there are also a TK21 (a tk15 in XM-L) and a TK70 monster (speculated at 2000 lumens with 3 XM-L, but its HUGE)