Shooting Sports magazine have just reviewed the Pulsar Challenger GS DSA Night Vision kit in this months magazine.
If you want to have a little read of their findings you can do so below.
Of course NV is restricted for use for vermin control, but as a lot of the forum users do more than stalk, i thought it may be an interesting article.
He rounded up the feature with the comment
"trust me for the price this is one hell of a unit and still the most affordable way to have an NV capability to"
Shooting Sports Magazine Pulsar Challenger GS DSA Night Vision Review