The trailer left me a little cold, to be honest. I've been waiting for it for so long, that I think my expectations were so high it would have been impossible to meet them. Not that I know exactly what they were in the first place. Looks good though, if a little too dark. Don't they have light bulbs in the 23rd century?
And I couldn't give a toss what timeline it's in, I just want good Star Trek. Personally I think Bryan Fuller made a mistake by specifically labelling it as the Prime timeline back when it was first announced. Face it, unless it looks like 'The Cage', people won't be happy.