This is my first big midi keyboard, with 61 keys and it is great! For a long time I used the smaller once but it wasn't enough for me, well space was also an obstacle but now there is room for a full size and its nice!
The keyboard is working together with Ableton without any mayor problems, and the 8 step sequencer is fun and easy to work with.
Its has more features than I need, but extra options is always nice the day you need them
So yeah I would recommend the Novation Impulse 61