Getting off-topic. If you're gonna keep the BK-module close to you, the basic Keystation will get the job done. If you expect to control some of the functions remotely, you'll need something with buttons and sliders. I remember when it first came out some folks had good experiences with Roland's own A-800 Pro. You might have to download the manual for the controller and make sure it can send the MIDI messages for the functions you want to control. My $.02.