Here is another refill that will fit the Vision II, week at a glance. YAY! For mine, I had to bend the top wire ring up and the bottom wire ring down to stay in the loops securely, but it hasnt fallen out and its nearly april. 
http://www.plannerrefills.net/3x6-wire-planner-refill.html

http://www.plannerrefills.net/3x6-wire-planner-refill.html