New Airsofter in Montreal
Dont worry too much about gbbrs and cold weather (i.e Fox's comment): firstly the number of winter games are extremely limited, many being indoors where the fps limits are lower. And you can use MAPP/Pro gas instead of propane in cold weather.
The NPAS is an inexpensive (~$15) upgrade which is invaluable, specially when running alternative gases. You'll also need a decent propane adapter.