I really didn't like this mod. It makes Geralt feel a bit more responsive, but you still have to hammer the attack button a few times before he actually attacks when he's coming out of a dodge (which you're still doing all the time). It doesn't feel like animation priority, more like the game just isn't registering my inputs; it's pretty bad in the vanilla game and less bad with this mod, but it's still noticeable. I guess it's probably unavoidable without some huge amount of work.
Not being able to do huge crazy rolls just means you end up pirouetting all around the outside of a group and occasionally jumping in for a quick slice or two, which I got sick of before long. The difficulty curve is no longer backwards, but rather all over the place - I think I beat both Letho fights in under ten seconds, but could get destroyed by a group of baby Nekkers. The thing that really disappointed me was that the concept of cool loot is pretty much gone from the game. I used the default armour way into Chapter 2, because there was just nothing better, and I had some no-name sword that was outclassing mystical, legendary ones.
I definitely wouldn't recommend it for first-time players, or even second-timers. I was doing Iorveth's path with the mod and I feel like I missed out on a lot of cool stuff.