Reddit reviews Arcade Controller Pro.V Hayabusa- PS3,PS4

So, if I may pick your brain a little more, what is this difference between this and this ? Mainly, is the price gap worth it?

I'd probably replace the buttons and joystick for sanwa on all these though.

http://arcadeshock.com/products/hori-ps4-rap4-kai

http://www.amazon.com/HORI-correspondence-Arcade-controller-Pro-V5-Hayabusa/dp/B00S94RODA/ref=sr_1_4?ie=UTF8&qid=1426716962&sr=8-4&keywords=hori+ps4

http://www.amazon.com/HORI-correspondence-Arcade-controller-Pro-V4-Hayabusa/dp/B00JK9LQ78/ref=sr_1_2?ie=UTF8&qid=1426716962&sr=8-2&keywords=hori+ps4

Yes, that's the PS stick.

https://www.amazon.com/Arcade-Controller-Pro-V-Hayabusa-PS3-PS4/dp/B00S94RODA

This is the Xbox stick.

https://www.amazon.com/gp/aw/d/B0136JP894/ref=mp_s_a_1_1?ie=UTF8&qid=1467848905&sr=8-1&pi=SX200_QL40&keywords=pro+v+kai&dpPl=1&dpID=41Cv2bDjcAL&ref=plSrch