Build a computer for intensive gaming and 3-D Design and Modeling!
Keep it realistic is the only rule!
realistic is vague because for some people 10k for a computer is realistic then to others 1k is then others 2k is
What price range were you looking for? Like multi-iostream said, a realistic build is different for everyone.
PCPartPicker part list / Price breakdown by merchant
sorry forgot to change the price on the case, that case is on sale currently for like $160 dollars