This just came out on the official D23 Web site:
"Pin-tacular news! Because of overwhelming demand, the D23 member-exclusive Tinker Bell and Jiminy Cricket pins will be available again soon from Boutique 23. Stay tuned for more info!"
The Jiminy Cricket pin sold out in less than one day while the Tinker Bell pin sold out within the first week to 10 days.
Keep an eye on Disneyshopping.com to see when the re-released pins will be available.