I just received the same email as Crawdaddy (w/ mention of upto 15 days).
Maybe they're just trying to promptly get on top of the situation and quoting probably overestimated/stated delays to avoid unnecessary disappointment (and potential flooding of their customer support) after previous...
Not sure exactly which titles he meant, but there are actually a (albeit rather) small number of WAC labeled BDs that actually just recycle old transfers/discs from their original WHV releases -- seems like most of them were previously some kind of special edition type releases often in digibook...
I didn't have the freeze problem (doing it on my iPhone via mobile Safari), but yeah, items weren't getting properly added to my cart when I went thru the 4-for-$44 banner. I eventually got it to work by going thru the search engine (for "warner archive blu-ray") instead of the banner -- I did...