NM PUGs in my world kinda suck. Same core players, some of which are too OP to make it enjoyable and spell team with a silent 'I'. Kinda pathetic.
A few of the guys I play with on NM just destroy everything in their path (One in particular has 3300+ Prestige) a couple have 2800+. All in America though which is why I have to PUG until a certain time at night.
I find that if you take the time to do 1 treasure room, by the time you come back out the zone is cleared. I spend most of the time praying to the RNG gods for it NOT to be "my door".
At least it's a good mix of games.