What is your budget? Gen2 can be found in Canada, but to my knowledge all US made Gen3+ are ITAR restricted and requires expensive paperwork to acquire.
In my opinion, if your nightvision requires an IR illumination (Gen 1/1+), you're better off just using your eyes, and when the time calls for it, white light. You will be a giant lighthouse to anyone with NV of any generation either way, and you'll at least have clarity when you are using white light and bare eyes.
Gen1 / 1+ is notoriously shit. Ask some buddies to try theirs out. It's hard to explain how bad it is, but they are usually not 1x (normally 1.2 - 1.5 / 2x) so your depth perception is shot and even the really nice Gen 1+ devices have a LOT of fisheye compared to Gen3 / 3+.
EDIT: Gen 1/1+ and Gen 2 are marketed to hunters. The reason being, they are not efficient when moving (due to fisheye/magnification/poor resolutions/illuminator required...). If you're sitting still and staring in one direction for 2 hours, they might be worth it, but not for any really movement or combat work.
Ár skal rísa, sá er annars vill
fé eða fjör hafa. Sjaldan liggjandi úlfur
lær um getur né sofandi maður sigur.
Last edited by ShelledPants; May 22nd, 2013 at 12:45..