Retro Nintendo Controllers, for the PC?

I have a look at some cool retro controllers. You can buy them here: http://www.banggood.com/Retro-NES-Style-Classic-Controller-for-Windows-PC-Mac-USB-Port-p-910358.html http://www.banggood.com/Retro-SNES-USB-Wired-Classic-Game-Pad-Controller-for-Windows-PC-p-81255.html http://www.banggood.com/Retrolink-N64-Style-Classic-Controller-For-PC-and-MAC-USB-Gray-Color-p-912788.html Note: I have not been paid for any endorsement, I just think they are cool.