Beware of going back to the well one too many times!

I ordered several 2008 W silver eagles from the mint and got lucky with the entire order being the 2008 W with reverse of the 2007. I immediately went back and bought some more from the mint, only to find that all the blue boxes had been previously opened- either by another customer who returned them, or by a mint employee. I think, at this point, that all of the 2008's with the 2007 reverse have been found and that is it! I also wouldn't be at all suprised if the actual mintage of the error coin is well below the 47000 estimated at the mint- time will tell, and the prices keep going up.