M-Audio Oxygen Pro 61 – 61 Key USB MIDI Keyboard Controller With Beat Pads, MIDI assignable Knobs, Buttons & Faders and Software Suite Included : Amazon.co.uk: Electronics & Photo
Master Keyboards (up to 61 Keys) – Thomann UK
M-Audio Keystation 61 MK 3 USB MIDI Controller Keyboard - Absolute Music
M-Audio Keystation 61 MK 3 61-Key Semi-Weighted USB-MIDI Controller key-station-61-mk-3 - Canada's Favourite Music Store - Acclaim Sound and Lighting
AKAI Professional MPK261 - 61-Key Semi-Weighted USB MIDI Keyboard Controller Including Assignable MPC Controls including 16 Pads, Q-Links, Buttons and Plug and Play Connectivity : Amazon.co.uk: Musical Instruments & DJ