Has Bethesda ever put out a story expansion that didn't include new outfits? And armors? And weapons? I think we can safely answer yes to that question.
I'm hoping for more pirate chic, myself. I'd love to put my first mate MacCready in the classic pirate duds like a ratty striped shirt.
It'd be cool if Bethesda added a trident as a melee weapon.....
Edit: As already said, with dlcs such as this... bethesda always adds new outfits.
I'd like to see:
1. A beret with two stats;
2. A camouflaged helmet;
3. Camouflaged fatigues;
4. An assault rifle or carbine that looks like one and doesn't weigh 16-20 pounds when fully modded.
This would be nice for starters.
Since Bethesda Game Studios describes in their description that it's going to be the biggest expansion pack ever that they have developed.
I'm 100% sure there will be lots of outfit sets and not just one outfit set or five outfit sets.
It's going to be bigger than The Elder Scrolls IV: Oblivion expansion pack Shivering Isles going by the description it seems.