Id like to know if i can downgrade things and still play Aion…i havent bought it yet andd i want to make it cheaper but i dunno how to and what to trim down..

System Configuration :
Intel CPU : Intel Core 2 Quad Q9300 2.5GHz, 1333FSB (Quad Core) 6000K
Intel CPU Fans : Spire Socket 775 Intel fan
Intel Motherboards : Biostar P35D2-A7 P35, Sound, 1Gb LAN
DDR2 memory : 2GB (2x1GB) PC5300 DDR2 667 Dual Channel
PCI-Express Video cards : GeForce 9400GT 1GB PCI EXpress 16X dual head, tv out
Hard Drives : 320.0GB Western Digital 7200RPM SATA2 UDMA 300 16m cache
Hard Drive Fans : Hard Drive Cooling Fan Aluminum Internal
Media Card Readers : 12-in-1 Memory Card Reader Internal Black
DVD Recorders : Lite On 20x DVD Recorder Dual Layer +R/RW -R/RW
Sound Cards : AC 97 3D Full Duplex sound card (onboard)
Network Cards : Wireless 802.11 N 150MBs Network Card PCI
Cases : Cooler Master Elite 310 black, Side Window, front USB
Power Supply : Okia Extra Quiet 650W ATX Power Supply, SLI Ready
Operating Systems : Microsoft Windows 7 Home Premium 64bit DVD