Actually, it looks like there were a total of 3 people posting in this thread who didn't get pending credits from orders placed on the 11th. Yes, I had no problem getting the Personalization Mall offer.
Printable View
I ordered from Personalization Mall and did the Vista Print Offer both on the 11th. I have not gotten credit for either one.
I have gotten credit from Vista Print in the past and I am using the same computer with the same settings.