I recently purchased a Lenovo ThinkCentre sff M91p 7034 - Core i7 2600 3.4 GHz. I need advise on upgrading the video card for gamming im just looking on suggestions for a modern compatiable video card the game i plan on playing most is D.c.s, and i was also wondering if that would require a new gpu and psu i already plan on upgrading Ram and have considered a Ssd also any advice/help is much needed and im very thankful for it.