damn, my 1st post did not made it...
Your "LONG runtime" screams also "NO K2",
this inefficient, heat producing piece of marketing hype.
Try to get a light with a Cree or SSC Led instead of this heat oven.
Double efficient, meaning: same brightness at half the current produced.
There are several good models at
www.dealextreme.com, some running with one 18650 Li-Ion instead of the expensive CR123s.
(have some ordered, so no real experience yet).
Also I have just compared Fenix L1D-CE (on full) against the Palm Blaze.
While the Blaze is more powerful, it is also noticeably less focused and will not work for You (going to test again at night and in open field).
Unfortunately my 14500 Li-Ions dont fit the Fenix by now (modding needed, the L1D with Li-Ion is equally bright as the L2D-CE), I can not give a real comparison between Blaze and L2D-CE, but it should be equally bright at least, produce less heat and run longer with cheaper batteries (or rechargeable AAs).
My vote for You:
Fenix L2D-CE
also much better finish than the blaze
:red face:
sorry, didnt realise it was "thousand" lumens and "meters"
still: NO K2, better a Multiemitter Cree or SSC