Before:
c4d1414efad916e4fcd5374c9b856d77.jpg

After:
46e2d1e1150d7395977465a901d8ce68.jpg


And for some numbers:
I can run 5 instances of WoW at 4k resolution, everything set to max except AA. Getting 60 fps on master and 30 on slaves SUPER stable when running outside killing mobs and stuff.
I've yet to try Stormshield. Will update.