I just got a Lenovo computer. It was $749 but after rebate it was only $549. I can run FSX on medium high settings with no lag. It has...
2.01ghz AMD Athalon 64 X2 3800+
1 gig memory
250 gig hard drive
NVidia GeForce 6100
This proves you don't have to pay alot for a good computer.