new pc, few questions

just ordered new pc, upgrading from 3000xp 9800xt 1gbram (very ancient!), and was wondering what fsx will run like on full settings? could i improve the spec in anyway? thanks for the help
Intel q6600 cpu (gona overclock to around 3.2ghz) Tuniq T-120 cpu cooler
Abit I35pro motherboard
4Gb Corsair TwinX DDR2 XSM2 Dominator, PC8500, 1066mhz
Asus 8800 Ultra 768mb (also gona overclock)
Vista Home basic 64bit Edition
500gb HD
Intel q6600 cpu (gona overclock to around 3.2ghz) Tuniq T-120 cpu cooler
Abit I35pro motherboard
4Gb Corsair TwinX DDR2 XSM2 Dominator, PC8500, 1066mhz
Asus 8800 Ultra 768mb (also gona overclock)
Vista Home basic 64bit Edition
500gb HD