Sure, this is what they said in the e-mail
Good afternoon Valued Customer, Thank you for your patience. In regards to XXXXXXXXXXXX We have received your item. It has passed physical inspection in our Service Dept. but has failed testing in our Testing Dept. A replacement item is being procured for you. Unfortunately, we do not have any GTX670 [ZT-70201-10P] in Stock. I have been authorized to offer you an upgrade to a GTX770 [ZT-70301-10P]. Here are the specs. http://www.zotacusa.com/geforce-gtx-770-zt-70301-10p.html Please view the item in the link and let me know if you accept this item. If you do I will get this item over to our Shipping Dept. ASAP. Thank you for your patience and cooperation. If you have any questions, please let me know.
I do realize that they say
Unfortunately, we do not have any GTX670 [ZT-70201-10P] in Stock. (Which says a GTX670)