M-Audio Oxygen Pro 61 USB MIDI Keyboard Controller
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
M-Audio Keystation 61 MK 3 USB MIDI Controller Keyboard - Absolute Music
Icon ICOK-IKEYBOARD6X – 61-Key MIDI keyboard semi-weighted keys with single channel DAW controller – Sabari Musicals
Second Hand Samson Carbon 61 MIDI Keyboard Controller - Andertons Music Co.
What is the best small MIDI controller with weighted keys? - Quora