Ok, I've settled for the Tiefling warlock, worshipper of the Great Old One (the lady in my avatar) - as a Lovecraft fan, it was hard to pass. The ranger will be second playthrough and the Gith mage third.
I think, warlock is a nice class to play and I don't think, it will be a problem, when I want to have Wyll in the party, you can never have too much magic power.
