I feel like a horrible person, but I hated the combat in the first Witcher, also, I played it when I was HORRIBLY sick so everytime I think about it, I remember how crap I felt haha.
Witcher 2, tried multiple times... Get to the first sort of 'open' area and get frustrated at how open the linear map is with no real sense of direction.
I want to like them!
For what it's worth, the combat in W3 is much easier than the first game and a lot more accessible (I won't say better because that's personal opinion). The game world is much more open than the second game so you should be happy with that side.
I have tried several times but never liked the first game, I really enjoyed the second despite the linear locations and the third game is one of the best I have played in years.