I just built a system which i would consider midrange from the Price point of view..But the components arent what i would say Cheap either. 
I have 1,434 dollars invested in mine and im very happy with the results so far.
My system specs are.
Case Antec 900 Hundred. $125.00
Mobo MSI P7N Platinum $165.00
Memory 2gig of Balistic PC2-8500 1066 $99.00
Intel Core 2 Duo 2.66 4mb 1333MHZ $195.00
Antec Trio 650 Watt PS $119.00
Lite On 20x DVDRW SATA W/ Lightscribe $ 45.00
BFG 512MB DDR3 Geforce 8800GT OC $279.00
Western Digital Cavier SE16 HD 320gb SATA $89.00
Im really Happy with the MSI Mother Board its got all the nice features of SLI..Over Clockablity and MSI is Has alwaay provided me with stablity and longevity in the past.

I have 1,434 dollars invested in mine and im very happy with the results so far.
My system specs are.
Case Antec 900 Hundred. $125.00
Mobo MSI P7N Platinum $165.00
Memory 2gig of Balistic PC2-8500 1066 $99.00
Intel Core 2 Duo 2.66 4mb 1333MHZ $195.00
Antec Trio 650 Watt PS $119.00
Lite On 20x DVDRW SATA W/ Lightscribe $ 45.00
BFG 512MB DDR3 Geforce 8800GT OC $279.00
Western Digital Cavier SE16 HD 320gb SATA $89.00
Im really Happy with the MSI Mother Board its got all the nice features of SLI..Over Clockablity and MSI is Has alwaay provided me with stablity and longevity in the past.