Can Someone help me pick out parts for a custom gaming pc?

Hey, I want to buy custom parts for a new computer starting from scratch. The problem is that have no clue what parts to choose! I am willing to spend about 1,500$ on it. I already have a Monitor, keyboard, speakers, mouse, etc. All i need help with is a cool case and gaming parts.Can Someone help me pick out parts for a custom gaming pc?
go to http://www.cyberpowerpc.com/ and design your own.

i chose the gamer xtreme xt and added a pair of hd5770s.

this will run any game on ultra settings.



here it is for $1400



Case: NZXT M59 Gaming Mid-Tower Case with See-Thru Window

Internal USB Extension Module: None

Neon Light Upgrade: 12in (Blue Color) Cold Cathode Neon Light [+10]

Extra Case Fan Upgrade: Default case fans

Noise Reduction Technology: None

CPU: Intel庐 Core鈩?i7-930 2.80 GHz 8M Intel Smart Cache LGA1366

Freebies: FREE Game: Just Cause 2

Venom Boost Fast And Efficient Factory Overclocking: No Overclocking

Cooling Fan: Asetek 510LC Liquid Cooling System 120MM Radiator %26amp; Fan (Enhanced Cooling Performance + Extreme Silent at 20dBA)

Motherboard: * Asus P6T SE Intel X58 Chipset CrossFireX Mainboard Triple-Channel DDR3/1600 SATA RAID w/ eSATA,GbLAN,USB2.0,IEEE1394a,%26amp;7.1Audio

Motherboard Expansion Card: None

Memory: 6GB (2GBx3) DDR3/1333MHz Triple Channel Memory (Corsair or Major Brand)

Freebies: None

Video Card: ATI Radeon HD 5770 1GB GDDR5 16X PCIe Video Card [DirectX 11 Support] (Major Brand Powered by ATI)

Video Card 2: ATI Radeon HD 5770 1GB GDDR5 16X PCIe Video Card [DirectX 11 Support] [+185] (Major Brand Powered by ATI)

Video Card 3: None

Dedicated PHYSX Card: None

Multiple Video Card Settings: Non-SLI/Non-CrossFireX Mode Supports Multiple Monitors

Power Supply Upgrade: 800 Watts Power Supplies (* CyberPowerPC XF800S Performance ATX 2.0 Power - Quad SLI Ready)

Hard Drive: 1TB SATA-II 3.0Gb/s 16MB Cache 7200RPM HDD (Single Hard Drive)

Freebies: None

Data Hard Drive: None

Hard Drive Cooling Fan: None

External Hard Drive (USB3.0/2.0/eSATA): None

USB Flash Drive: None

Optical Drive: LG 22X DVD卤/卤RW + CD-R/RW Dual Layer Drive (BLACK COLOR)

Optical Drive 2: 16X DVD ROM (BLACK COLOR)

Sound: HIGH DEFINITION ON-BOARD 7.1 AUDIO

LCD Monitor: None

2nd Monitor: None

Speakers: None

Network: Onboard Gigabit LAN Network

Modem: None

Mega Notebook/Netbook/Server Bundle: None

Keyboard: Xtreme Gear (Black Color) Multimedia/Internet USB Keyboard

Mouse: XtremeGear Optical USB 3 Buttons Gaming Mouse

Gaming Gear: None

Extra Thermal Display: Thermal Temperature Color LCD Display [+15] (Black Color)

Wireless 802.11B/G Network Card: None

External Wireless Network Card: None

Wireless 802.11 B/G/N Access Point: None

Bluetooth: None

Flash Media Reader/Writer: INTERNAL 12in1 Flash Media Reader/Writer [+10] (BLACK COLOR)

Video Camera: None

Headset: None

Printer: None

Cable: None

Power Protection: None

IEEE1394 Card: None

USB Port: Built-in USB 2.0 Ports

Floppy: None

Operating System: Microsoft庐 Windows庐 7 Home Premium (64-bit Edition)

Media Center Remote Control %26amp; TV Tuner: None

Office Suite: Free 60 Days Microsoft庐 Office庐 2007 (Words, Excel, Access, Power Point, Outlook + More) - Microsoft Windows OS Required

Ultra Care Option: None

Service: STANDARD WARRANTY: 3-YEAR LIMITED WARRANTY PLUS LIFE-TIME TECHNICAL SUPPORT

Rush Service: NO; READY TO SHIP IN 5~10 BUSINESS DAYS