Hi
Time to dig for the GFX card. Although I was considering ZOTAC NVIDIA GeForce GTX 650 Ti Boost 2 GB GDDR5 , it seems from discussions on several threads, that 660 might be a better bet.
Now "better" is a very relative term...:). .. I am also considering Gigabyte AMD/ATI GV-R7870OC-2GD 2 GB...