This is a user to user forum. There is no provision here for dealing with this type of issue. Suggest that you contact Fry's or Adobe corporate.
I would anticipate that retailers will continue to have PrE 11 available, until about Sept, 2013, and then might not refill stock, in anticipation of the release of PrE 12, sometime around late Sept, early Oct, if history holds true. However, that might differ by the retailer.
I notice that the stock of software fluctuates greatly at my Fry's, but do not know what factors might contribute to that fluctuation - sales, unexpected demand, poor stock ordering?
I would also look on Fry's Web site, to see if there are any indications of what might be available.
Have you thought about Amazon?