My build is below, but to sum it up I have 2 gb, 8800 gt sc, and Intel Core 2 Duo E8400. Is the power supply unit (Antec 500W) below good enough for the build? I already ordered the parts and would prefer to stick with this psu if a change isn't necessary.
PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371007
Antec earthwatts EA500 500W ATX12V v2.0 Power Supply 100 - 240 V UL, CUL, FCC, TUV, CE, CB, C-tick, CCC - Retail
Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129042
Antec Three Hundred Black ATX Mid Tower Computer Case- Retail
Graphics Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130319
EVGA 512-P3-N802-AR GeForce 8800GT Superclocked 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Retail
Memory
http://www.newegg.com/Product/Product.aspx?Item=N82E16820227178
OCZ Platinum 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2N10662GK - Retail
Hard Drive
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136075
Western Digital Caviar SE WD1600AAJS 160GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM
CPU
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115037
Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor - Retail
Mobo
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128337
GIGABYTE GA-EP35-DS3L LGA 775 Intel P35 ATX Intel Motherboard - Retail
DVD burner
http://www.newegg.com/Product/Product.aspx?Item=N82E16827106073
LITE-ON 20X DVD±R DVD Burner with LightScribe Black SATA Model LH-20A1L-05 - OEM
PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371007
Antec earthwatts EA500 500W ATX12V v2.0 Power Supply 100 - 240 V UL, CUL, FCC, TUV, CE, CB, C-tick, CCC - Retail
Case
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129042
Antec Three Hundred Black ATX Mid Tower Computer Case- Retail
Graphics Card
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130319
EVGA 512-P3-N802-AR GeForce 8800GT Superclocked 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Retail
Memory
http://www.newegg.com/Product/Product.aspx?Item=N82E16820227178
OCZ Platinum 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2N10662GK - Retail
Hard Drive
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136075
Western Digital Caviar SE WD1600AAJS 160GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM
CPU
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115037
Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor - Retail
Mobo
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128337
GIGABYTE GA-EP35-DS3L LGA 775 Intel P35 ATX Intel Motherboard - Retail
DVD burner
http://www.newegg.com/Product/Product.aspx?Item=N82E16827106073
LITE-ON 20X DVD±R DVD Burner with LightScribe Black SATA Model LH-20A1L-05 - OEM