Love the game, love the free DLC... BUT CD Projekt really missed the boat on the Ballad Heroes DLC. Not only is it not really any new content, just new images for 10 Gwent cards, but the images don't look as good as the original images! Especially Villentretenmerth, the single coolest looking card. The new image is plain stupid. Only Zoltan Chivay looks significantly better. Got rid of the sayings under the cards for some reason. This was a dumb, unnecessary DLC. I will not be loading it.

Asterix

I actually like the new pictures for the gwent cards, but you can switch to the old ones within the game menu (start game Options -> Downloadable Content)

I already had installed the "Yennifers new outfit" before I met her for the second time but I didn't really like it very much, so switched back to the old one by turning it off in the "Downloadable Content" menu.

It's really is hard to judge whether someone will like a cosmetic DLC or not, but they do provide the option to revert to the old version if you don't like it, in the game menu without uninstalling the DLC.