Oedipus and Hamlet

Like we discussed in class Hamlet had gone through that castration phase. He is so upset that his father isn't there any more that he can't help but blame the mother. However, what I don't agree with is why Hamlet would go for Ophelia, when I believe she is nothing like Hamlet's mother Gertrude. She is clearly kind and sweet and has no alterior motives. As for the mother, she is harsh and cold and an opputunist. If the Oedipus complex really applied to hamlet I think that he would be more interested in someone else.