heading to wyoming for elk, mulie in fall. have pair of nikon monarch 8x42 love them. need another pair, as my son will be joining me-- thinking about going bigger, nikon 10x56-- a lot heavier, but want some advise onweather the extrapower and lightisworth the extra size,weight? We;ll be on horseback, buthiking quite a bit too. Glassing appears to be much more important in the woods here in new england-- already have a spotting scope, so we'recovered there. Would welcome any advice, suggestions. thx.