Hi all, I'm new to this forum so please forgive me for any mistakes i make :DAnyways, I would like to order a custom built computer from a supplier from eBay. As i have little experience in terms of computer components graphics cards etc. I would very much appreciated it if any of you chaps could help me out in determining the right components for my PC.I will be looking at running and using FSX most of the time along with add on packages like orbx and PMDG and a bit of FPS games like BF3 or COD. Here are the specs of the computer as well as it's upgradable parts: -Intel Core i7 2600k Quad Core CPU 3.4GHZ, 8MB Cache, Socket LGA 1155 -Intel Original Cooling Fan with Heat Sink -ASRock Z68M/USB3 mATX Board or ASRock Z68 Extreme3 Gen3 -Kingston Hyper X 8GB (2x4GB) DDR3 1333MHz Memory-1TB 7200RPM SATA3 -Nvidia GeForce GTX560 1GB -Intergrated Sound Card -Dual Layer DVD Writer -Intergrated 10/100/1000 Ethernet -Windows 7 Home Premuim 64bit -CF-341 Midi Tower ATX casing with 550W Power Supply With the upgraded Motherboard, the total cost of the computer would cost $1143.90 including the OSHere's the link as well:http://www.ebay.com.au/itm/360405160013?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649If you could please help determine if it will run FSX and other programs smoothly and recommend any betterparts, that would be greatly appreciated. My Budget is set around $1200Thanks :D