So I've finally finished the game. Man it was a bit of a slog towards the end especially after having the game crash during a cutscene after finally defeating Samson after many, many, many attempts which nearly drove me over the edge. Overall though I thought it was a decent game with some good storytelling and all the story based missions were very well done. However it has a myriad of issues, which I have gone over before, that prevented me from enjoying it as much as others have.
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I've tried rogue to completion and dabbled with mage and played a bit longer as a 2h warrior. I definitely had the most fun with rogue (dual daggers, not archer), followed by warrior. I really think you have to be in the thick of the action to get the most from the combat, the range classes seem a bit dull in comparison imo.
If you're in doubt, you could do a bit of the MP, you get a mage, archer and warrior to start with, see if any click with you.