Fellas. PC noob here.  
I'm thinking about getting a second hand graphics card (maybe a GTX970) to get within a bulls roar of running Normandy in some way. 
Any thoughts on the shortest and cheapest route.  
My specs are below. Cheers in advance:     
 Windows 10 Home 64-bit (10.0, Build 14393)  
 Gigabyte System Model: X58A-UD3R 
 Processor: Intel® Core i7 CPU         950  @ 3.07GHz (8 CPUs), ~3.1GHz 
 Memory: 6144MB RAM 
 Available OS Memory: 6142MB RAM 
2x AMD 6800 series with crossfire.