I love goop! Goop is your friend. ISO3000 appears to have the best goop. Fuji stuff has little goop. Color goop is hard, though some get it going quite well. Shooting for goop in the field becomes messy, you need somewhere to lay them out to dry, trim them and stuff like that. Type-665 sticks are a moderate fix (excuse the pun), but you've still gotta let that dry as well...
Still, for edgy (geddit?) Polaroids, goop is right up there with pos/neg, cheaper, and will still be available in a range of formats too. LONG LIVE THE GOOP!
<insert suitable image of skj with goop up to his ears>