I was at the apple store today, and I was shocked they weren't any help finding an upgrade for me. Also, did some searching online and came up with 2 options, but I wanted to make sure this is the right buy. My system Early 2009 Mac Pro Version 10.5.8 2.66 quad core 16gig ram Currently using the GeForce 512 MB card. Yesterday I purchased: Link to the product: http://www.newegg.com/Product/Product.aspx?Item=N82E16814121374 Product Desription: ASUS EAH5870/2DIS/1GD5/V2 Radeon HD 5870 (Cypress XT) 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity Did I buy the wrong card!?