i have one, its great, the beam is extremely visible. Id put in fresh batteries when you get it, the ones it comes with aren't that strong. Very nice visible beam, even in day light you can still make it out.
I have one, i also ordered some rechargable AAA's off ledshoppe and they give me the same power as the ones that came with it.
I'll buy some eneloops or something and see what its like then.