Nvidia FleX and HBAO+
Bethesda has released a new 1.3 Beta update for Fallout 4 fixing quite a few gameplay, quest and workshop fixes but also adds some new features including support for a few more Nvidia GameWorks effects, including Flex and HBAO+.
Eyefinity via DVI and Dual-X cooler
Vapor-X and FleX on the same card
Review: HD 6770's cheaper evil twin
Custom HD 6950 FleX Edition
FleX Edition with 2GB of memory
Eyefinity without DisplayPort