Hi, if you want to be notified when a trick will be restocked add it to your wishlist and you will receive an email when it comes in.
For Super Sight I don't have any information on when new stock will come in but I can suggest some alternatives that are very similar and cheaper.
Instead of disks, you can do virtually the same trick here with colored rods:
http://www.penguinmagic.com/p/S23955
http://www.penguinmagic.com/p/615
And using the same method you can read the spots on a die:
http://www.penguinmagic.com/p/179