Playing these hands completely depends on your chipstack, If you have got the wealth to play it strong i would play it, if you are on the BB or SB i would limp in if i could and see a flop, if you dont have a flush or straight or a draw i would muck it after the flop, if you have a flush or straight draw and a big chip stack make sure you play it very strong. - Playing it slow is dangerous because if the cards come up for a straight, its possible someone could be holding a king and thats dangerous. Additionally if you flop the flush, someone could be holding the suited ace and could get a flush on the turn. Play it wisely, but in the later stages of a tyourney i would definetly advise you to play it.
P.s Negreanu is a good poker player, but if he says he folds a Q,8(suited) hes lying ive seen him play J,4(suited) pre-flop on many occasions lol.
