Well, for me it'd have to be the GC controller. I played my first day long with the Whiil and I thought it was perfect, yet when I tried classic control due to 2P match, I found them to be much more reliable and robust. Don't get me wrong, the Wheel does its job great, but it's more of a casual affair to me... What about you guys?
My themeforest portfolio:









(mostly)