Have all three sizes now, and all I have to do is learn how to play them. The hardest fundamental for me is the upward glide.
The spoons are all a little different in tone, volume, and speed. Will be fun to lay down multi-tracks and throw in the whole kitchen drawer!
So far, my favorite for overall tone and playability (for me!) is the medium size.
My wife and I are learning how to play together and it's quite fun, though I think she's going to be better than me...