How is this build?

[x I Joker I]

How is this build, if there are any problems please post them.

CASE: Apevia X-Cruiser Mid-Tower 420W Case W/ WINDOW, MultiMeter Display & Control (Red Color)
CPU: (Sckt775)Intel® Core™ 2 Duo E8500 CPU @ 3.16GHz 1333FSB 6MB L2 Cache 64-bit
MOTHERBOARD: (QX9650/9770 Support) Biostar TP45 HP Intel P45 CrossFire Chipset LGA775 FSB1600 DDR2/1066 Mainboard w/GbLAN, USB2.0, &7.1Audio
MEMORY: (Req.DDR2 MainBoard)4GB (4x1GB) PC6400 DDR2/800 Dual Channel Memory (Corsair or Major Brand)
VIDEO CARD: NVIDIA GeForce 9800 GX2 1GB 16X PCI Express (EVGA Powered by NVIDIA)
VIDEO CARD 2: NONE
VIDEO CARD 3: NONE
LCD Monitor: NONE
HARD DRIVE: Single Hard Drive (500GB SATA-II 3.0Gb/s 16MB Cache 7200RPM HDD)
Data Hard Drive: NONE
Optical Drive: (Special Price) LG 20X DVD±R/±RW + CD-R/RW DRIVE DUAL LAYER (RED COLOR)
Optical Drive 2: 16X DVD ROM (RED COLOR)
SOUND: HIGH DEFINITION ON-BOARD 7.1 AUDIO

 

[oscaryu1]

420W PSU will blow before you press the power button.

GameXStream 700W at least.

 

[Droogie]

You aren't going to want that motherboard unless you are going with ATI, as it supports crossfire rather than SLI.

 

[daisymtc]

Get a 550W+ PSU...