I think you should stick with your Marines as the Vanilla Marine book is easily one of the best 5th edition codexes (I would put it right after Dark Eldar). I think your biggest problem is that you have almost no games in with this army.
I think you should stick with your Marines as the Vanilla Marine book is easily one of the best 5th edition codexes (I would put it right after Dark Eldar). I think your biggest problem is that you have almost no games in with this army.