Some advice before i buy. ( my first computer build

[xx19kilosoldier]

I hope Im posting this in the right area, if not, I am sorry.

Looking for some advice on this build before I complete the order on new egg.
Thanks in advance for any and all help!

Intel Core 2 Duo E8400 Wolfdale 3.0GHz 6MB L2 Cache LGA 775 65W Dual-Core Processor

GIGABYTE GA-EP45-UD3R LGA 775 Intel P45 ATX Intel Motherboard

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK

SIGMA FOCUS SP700B 700W (800W Peak) ATX12V Power Supply

SAPPHIRE VAPOR-X 100269VXL Radeon HD 4890 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card

Western Digital Caviar Green WD5000AADS 500GB 32MB Cache SATA 3.0Gb/s 3.5" Hard Drive

Microsoft Windows Vista Home Premium SP1 64-bit

Tagan CS-A+Curbic Black Steel / Plastic ATX Mid Tower Computer Case

[Aaron_8015]

Hi and welcome...

A couple of things... I gather this is for gaming?

Get a caviar black instead of the green.
Newegg.com - Western Digital Caviar Black WD5001AALS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive - Internal Hard Drives

Pick a decent quality PSU...
Newegg.com - OCZ StealthXStream OCZ500SXS 500W ATX12V / EPS12V Active PFC Power Supply - Power Supplies

Also instead of picking up vista, wait till windows seven is released (oct 22nd). Pick that up instead, you can still use the windows 7 beta.

I gather you already have a DVD drive as there was not one in the list.

[JPMiller]

I totally agree...
While that Sigma certainly looks good on paper, I find it hard to believe those specs at that price point.
You certainly need no where near that power anyway, so stick to something known to be rock solid rather than flashy or overstated.

[xx19kilosoldier]

Yes I have DVD drives.

Thank you for the advice. Never even thought about windows 7 coming so soon. Great tip! I will take your advice as well for the PSU as well as the HD. Again thank you very much.