Hahaha this thread is really a great way to keep me on my toes!
I'm very sorry to all of you parents out there who are being made to wait for this to come out.
Needless to say, we are working on it, along with so many other features, products, builds, and sites. We announced this perhaps a trifle early, but do understand that we only did so because we will be implementing a points/post requirement for you to actually get these discounts.
As of now, it is technically a matter of programming our current online store, checkout system, and forum shop (where you redeem your points) to work seamlessly together, and this is the bit which has the bulk of the work, so it's taking a little longer than we had originally planned.
For this, we apologize!
But do rest assured that we will confidently have this feature out in a couple of months - for those of you who will be eligible to redeem your points for discount coupons, I will stand by KL's prediction that we will have this out before year's end.