I own a pelican 7060 Led and my friend has the old stinger Led (I know that the new one is alot brighter). In my opinion and the reason I decided on the 7060 over the Stinger DS was because of the Li-ion battery and the poly body.
I can oly tell you my experience with the Pelican:
The Pelican has a near even output over its 1.5 hour runtime, im not sure on the stiner HP DS. Charging is also nice as I am kind of OCD about determining when to charge lights (I know that NICad memory is a myth), but I can without fear charge my pelican whenever I want to top it off.
The poly body is also great as it is not too cold to grab at night, cleans easily and does not scratch other things that easily (I bought mine to work around the house and car so i needed a light that would not damage what I am working on accidentaly).
beam is also nice as it has a tight hotspot for long distances and a nice surround beam for close up illumination. Note that the beam is not a smooth transition from hotspot to surround, thus you get a long throwing hotspot and a dimmer side spill. I kind of like this for outdoor walks or checking bumps in the night, but it was unsutable for close up work.
The downsides are that it is only one output level, the warning for low battery comes on too late (only ~1min to dieing), plastic lens, the heat sink may be type 2 anodising as mine kind of scratched in some places, and changing the battery is hard (maybe its just mine but I really need to shake the light to get the battery out).
In conclusion if you need a bright long spotting light (if you work security), dont mind that it dosen't feel like a shelf queen (quality wise), and don't need over 1.5 hours runtime, I recommend this light.
Sorry for the long post, and if there is any mistakes I'll make sure to change it.