I have the XQ30v and it is truly a game changer after NV spotter where you predominantly rely of eye shine. In a few seconds a field can be scanned, an amazing piece of kit.
Some turn their nose up at using them for stalking on the hills as they say part of the experience is 'glassing the hills' I can see this point but I guess whether your doing a full where.numbers are needed as opposed to a traditional stalk.