Herein lies the problem with pre-orders. I suggest to Bitmain that they revert back to selling in-stock equipment
only so as to avoid this kind of thing happening again.
With regards to the refunding options: If the S3's are p2pool compatible then I don't mind having the 10% coupons as I will definitely be buying some more - but if they are not p2pool compatible I would prefer a refund, as I will not be buying any more. Can you please advise us on the p2pool situation asap so that we can make a decision?
Peace

Antminer S3 is P2Pool Compatible as per their update in the second post of another thread.
They should have tested it some more pieces than a single unit at-least before mass producing it if they have that much variance.
I still don't understand what they meant and why its, 'unstable DC-DC in "some" devices and not in others.'