Hi All! I currently use my Mac Book Pro 15" to play Civ VI. However, I'm tired of the small landscape. I have a iMac 27" that I have just recently cleaned out a crazy amount of old files and junk. I'm ready to put a new video card into the iMac. Can I put any video card into the iMac? Any suggestions? I obviously can't do the work myself. I'll have to haul the elephant into either Apple or Best Buy for the labor.