All the search/product links don't seem to work anymore; although Silverbolt still seems to be available directly from the website under the "Transformers" category. I didn't see any other of the CW guys.
Sweet! Silverbolt ordered! And I added a small lego set for $11 to use the coupon, so I basically got the lego set for free!
I see that CW Optimus is in stock online as well, but no deluxes.
I was getting that error as well at first. Then switched browser. Try clearing your cookies. I just checked and Alpha Bravo, Drag Strip and Firefly are still in stock