I liked ST: Enterprise. At first I didn't like antagonism between Vulcans and humans, but I got over that and it was an interesting storyline.
It was interesting that they brought stuff up to explain future stuff. Like the ancestor of Data's creator being involved with the whole Klingon looking like humans in TOS time, but like TNG Klingons in all other shows.
I'm not a fan of time travel stuff, so the whole temporal cold war was a bit much.