In a nutshell, I've had a i7-990X come my way at an extremely good price. The setup I'll be springing is a few components away from being a great rig. It needs a better motherboard. I've leaning towards an Asus Rampage III formula. The Rampage III extreme looks nice but I can't see what the extra $100 goes for. I'd also like to get input as to any MSI or Gigabyte boards I should consider. Thoughts?