dspear :
$837 is ridiculous for a budget system, as just about any reader here knows. The following rig totals $252.36 and might overclock as high as 328x11=3.6 GHz.
E2200 2.2GHz 800MHz 1MB LGA775 CPU, OEM
$78.19 http://www.ewiz.com/detail.php?p=E2200&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
Biostar P4M890-M7 TE Core 2 Duo/ P4M890/ DDR2-533/ A&V&L/ MATX 2xATA133 2xSATA
$37.08 http://www.ewiz.com/detail.php?p=MB-890M7TE&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
(see http://www.pcstats.com/articleview.cfm?articleid=2055&page=4 for overclock)
WINTEC AMPX 1GB 240-Pin DDR2 SDRAM DDR2-800
$19.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16820161028
Broadway Com Corp 808PA-BKGY Black/ Gray Steel ATX Mid Tower 450W
$29.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16811162040
Western Digital Caviar SE WD1600AAJS 160GB 7200 RPM 8MB Cache SATA 3.0Gb
$47.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16822136075
Sony NEC Optiarc Black 20X IDE DVD+R 8X DVD+RW 8X DVD+R DL 20X
$12.15 http://www.ewiz.com/detail.php?p=CDU5225-10&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
Rosewill RCX-Z775-LX 92mm Ball CPU Cooler - Retail
$14.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835200035
ARCTIC COOLING Arctic Fan 8 (AF8) 80mm Case Fan - Retail (rear exhaust)
$5.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835186006
ARCTIC COOLING Arctic Fan 8 (AF8) 80mm Case Fan - Retail (in lower 2 DVD bays for front intake)
$5.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835186006
If you are a gamer, you could add this vid card (recommended by Toms) bringing the total to $327.35, a full $500 cheaper than Toms "budget build" and probably performing pretty closely for most uses.
SAPPHIRE 100208L Radeon HD 2600XT 256MB 128-bit GDDR3 PCI Express x16 HDCP Ready CrossFire Supported Video Card - Retail
$74.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16814102700
E2200 2.2GHz 800MHz 1MB LGA775 CPU, OEM
$78.19 http://www.ewiz.com/detail.php?p=E2200&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
Biostar P4M890-M7 TE Core 2 Duo/ P4M890/ DDR2-533/ A&V&L/ MATX 2xATA133 2xSATA
$37.08 http://www.ewiz.com/detail.php?p=MB-890M7TE&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
(see http://www.pcstats.com/articleview.cfm?articleid=2055&page=4 for overclock)
WINTEC AMPX 1GB 240-Pin DDR2 SDRAM DDR2-800
$19.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16820161028
Broadway Com Corp 808PA-BKGY Black/ Gray Steel ATX Mid Tower 450W
$29.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16811162040
Western Digital Caviar SE WD1600AAJS 160GB 7200 RPM 8MB Cache SATA 3.0Gb
$47.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16822136075
Sony NEC Optiarc Black 20X IDE DVD+R 8X DVD+RW 8X DVD+R DL 20X
$12.15 http://www.ewiz.com/detail.php?p=CDU5225-10&c=fr&pid=2a7118e4193221b92023ce623ccc1a116cd7d3c9fedae22dff5f29171aaaa959
Rosewill RCX-Z775-LX 92mm Ball CPU Cooler - Retail
$14.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835200035
ARCTIC COOLING Arctic Fan 8 (AF8) 80mm Case Fan - Retail (rear exhaust)
$5.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835186006
ARCTIC COOLING Arctic Fan 8 (AF8) 80mm Case Fan - Retail (in lower 2 DVD bays for front intake)
$5.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16835186006
If you are a gamer, you could add this vid card (recommended by Toms) bringing the total to $327.35, a full $500 cheaper than Toms "budget build" and probably performing pretty closely for most uses.
SAPPHIRE 100208L Radeon HD 2600XT 256MB 128-bit GDDR3 PCI Express x16 HDCP Ready CrossFire Supported Video Card - Retail
$74.99 http://www.newegg.com/Product/Product.aspx?Item=N82E16814102700
Eh? A worthless motherboard-case-power supply, only one gig of RAM...you have a few decent components in there but to makes a real system of it you'd be well over $600.
Considering a few of the parts you listed, I'd do better grabbing something out of the dumpster of the local PC shop.