Really disappointed to hear that they cut out blood splatters in the game, at least according to the official forums:
http://forums.cdprojektred.com/threads/34773-Blood-Decals?p=1633045&viewfull=1#post1633045
I don't get why they'd remove such a feature. it was in both Witcher 1 and 2 and blood splatters/decals don't take a lot of horsepower to have (this is something games in the 90's used).
Ratings wise, the game is rated M, so it can't be for that reason either (especially when you consider how gory the finishers are).
I just don't get why in any way shape or form they decided to remove something as simple (but awesome) as blood splatters for combat, it makes combat so much more visceral when you're fighting and hit things and see the blood splatter on the ground/environment.
Even DA:I had this.