fsx computer build

In the process of putting together the hardware for a new computer. First upgrade in 3 1/2 years. Want to upgrade fsx experience and be ready for future games (mostly for fsx experience.)
My selections as of right now.
Mobo: EVGA 123-YW-E175-A1 LGA 775 NVIDIA nForce 750i SLI
Cpu: Intel Core 2 Quad Q6600 Kentsfield 2.4GHz 2 x 4MB L2 Cache LGA 775
Cpu cooler: OCZ OCZTVEND2 120mm Rifle CPU Cooler
Ram: CORSAIR 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)
Dual Video cards: EVGA 512-P3-N975-AR GeForce 9800 GT 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card
Hard drives: Western Digital Caviar RE WD2500YS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive
Raid card: HighPoint RocketRAID1720 PCI SATA II Controller Card RAID 0/1 JBOD
Case and Psu: Antec TITAN650 Pedestal Server Case 650W Antec Psu
Flight controls: Saitek PZ35 Pro Flight Rudder Pedals
Saitek PZ44 Pro Flight Yoke System Controllers
Suggestions or comments much appreciated.
My selections as of right now.
Mobo: EVGA 123-YW-E175-A1 LGA 775 NVIDIA nForce 750i SLI
Cpu: Intel Core 2 Quad Q6600 Kentsfield 2.4GHz 2 x 4MB L2 Cache LGA 775
Cpu cooler: OCZ OCZTVEND2 120mm Rifle CPU Cooler
Ram: CORSAIR 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500)
Dual Video cards: EVGA 512-P3-N975-AR GeForce 9800 GT 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card
Hard drives: Western Digital Caviar RE WD2500YS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive
Raid card: HighPoint RocketRAID1720 PCI SATA II Controller Card RAID 0/1 JBOD
Case and Psu: Antec TITAN650 Pedestal Server Case 650W Antec Psu
Flight controls: Saitek PZ35 Pro Flight Rudder Pedals
Saitek PZ44 Pro Flight Yoke System Controllers
Suggestions or comments much appreciated.