I have a i7-930 i want to buy a i7-4770k or i7-4820k or i7-4930k.I don't play games but i do music recording and some video editing. I would like to know if i would see a difference from i7-930 to i7-4770k or 4820k or i7-4930k. I need some advice. I would like to build a new computer that i will be able to do anything with. Thank You Jay