The Casio CTK 3200 is an "excellent" keyboard for beginners who want to have contact with a keyboard instrument, but it is also a very good option if you want the keyboard to compose music with your computer. It has 61 keys that are good enough for beginners and to play most musical pieces. It also has sustain pedal input to keep the note in time and USB MIDI output so you can use it as a MIDI controller.