Yes, the setup looks solid for an Oculus Rift.
Yes, the setup looks solid for an Oculus Rift.
Comparing the options, using an active USB 2.0 cable might be more cost-effective unless you need consistent high-speed performance.
USB 3.0 isn't required here. It could lead to problems if your USB controller struggles with the additional data.
It shouldn't change much. The two sensors using USB 3.0 should already provide fairly precise tracking, and the third on USB 2.0 is just to cover any minor blind spots. I don't really understand what you're talking about with the blurry effect. If it appears in scenes with strong contrast, it might be the sunbeams?