Assuming it's your first grow, I'd say if smell isn't a problem go with Skunk #1. I've heard (in RL and online) that it's one of the hardiest strains. It is sativa-dominant so it might get a bit tall, but when you're doing an outdoor grow an 8' bush isn't a problem. Top it to promote bushiness or you might get the typical tall-yet-skinny low-yielding plant. It reeks pretty bad though, so you'd better be remote.
Durban Poison is supposed to be great too but it's not as popular as Skunk for some reason.
