Newegg.com - ABIT IP35-E LGA 775 Intel P35 ATX Intel Motherboard - Retail
Newegg.com - Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory - Retail
Newegg.com - Hanns·G HW-223DPB Black 22" 5ms DVI Widescreen LCD Monitor 300 cd/m2 1000:1 Built in Speakers - Retail
Newegg.com - Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor - Retail
Newegg.com - Seagate Barracuda 7200.10 ST3250410AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM
Newegg.com - SENNHEISER PC166 USB 3.5mm/ USB Connector Circumaural Headset
Newegg.com - ASUS EAH3850/G/HTDI/512M Radeon HD 3850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
or
Newegg.com - SAPPHIRE 100225L Radeon HD 3870 512MB 256-bit GDDR4 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
Add in a decent PSU (500W+, preferably FSP) and the case of your choice.
Newegg.com - Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory - Retail
Newegg.com - Hanns·G HW-223DPB Black 22" 5ms DVI Widescreen LCD Monitor 300 cd/m2 1000:1 Built in Speakers - Retail
Newegg.com - Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor - Retail
Newegg.com - Seagate Barracuda 7200.10 ST3250410AS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM
Newegg.com - SENNHEISER PC166 USB 3.5mm/ USB Connector Circumaural Headset
Newegg.com - ASUS EAH3850/G/HTDI/512M Radeon HD 3850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
or
Newegg.com - SAPPHIRE 100225L Radeon HD 3870 512MB 256-bit GDDR4 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail
Add in a decent PSU (500W+, preferably FSP) and the case of your choice.