Hey Folks, I've been trying to learn CW since the summer and I'm coming along slowly. While I'm still a way from being able to get on the air I would like to start looking for a keyer for my Yaesu 857d. I know there are a couple different kinds (keys vs paddles), are any of them more or less recommended for a new guy? Any particular thing I should look for with my Yaesu? I assume they'll plug into the port on the back and work as they should - I really don't know that much about them. Is the keyer really just closing and opening a circuit - could I build one? Thanks!