Just fitted a new, softer, Öhlins spring to improve the ride quality. I've gone for a 105N/mm to replace the 115N/mm that came as standard.
Note that, if you're buying a complete new Öhlins shock, you can ask for it to be delivered with a different spring at no extra cost.
Full details of the swap here:
http://www.ukmonster.co.uk/monster/s...d.php?p=556257