I didn't think you could dual or multi with the kits.......
If I find I do not like a particular class/kit, I have a tendency to abandon the game. I decided to try the WizardSlayer and he's been in the Underdark for about two months now waiting for my return to the game.......

My opinion is that it might be better for the overall experience if you simply try a different char. For what it's worth.