They're expensive and good. You'll have to be more specific as to what you're looking to achieve with your night vision gear before a more detailed answer can be given.
For example, it's probably ideal for zapping hogs under a feeder at 150-175 yards, but it's not so great for wading into a sounder at 10-25 yards. Also, at the new price point, you can get into quality thermal, so you really have to understand what you want to achieve.
NRA Endowment & DSC Lifer