680 SLI is a tad OTT for a single 3D 1080P screen, a single one would suffice. Now that you've got it you may as well keep it though![]()
I wouldn't dare send it back (shipped, don't have them yet) unless defective. As I've said above I think OCUK would ban me after 2 recent cards I've sent back

Do you still have the 7970s Lightning?. If so, how are you finding them?.