The Vampire or the Dawnguard story?

Personally I think the dawnguard, but what do you guys think and why?

I'll do Dawnguard first. I just want to see their story. Then, I'll load my backup save and go Vampire Lord and keep that play through because, LOL Dawnstar affiliated people.

Dawnguard. I'll have to make a special character (or use my retired Dunmer Assassin) to do the Vampire side. I role-play so my character just don't randomly play evil just to do quests.

Dawnguard: crossbows, armored trolls, bunch of other stuff that I may or may not know about that may or may not have been announced yet.

Im going Dawngaurd first! Ill be dammed if you think ive gone through 200 hours of gameplay defending Skyrim to just block out the sun and doom the place!!!

Ill probly wait until a GOY edition with all future DLC comes out before i do a second playthrough as well!

Definitely Vampire, because it's been what i have been waiting for, for a LONG time. Thanks Beth!