Upgrading Current Computer

[MasterMind]

hi i am new to this forum ^^ and i need a couple advices for my upgrade plan.

MotherBoard:
ECS C51GM
07/11/2006-C51GM-M-6A61HE1BC-00

BIOS:
BIOS Phoenix Technologies, LTD )Phoenix - Award WorkstationBIOS v6.00PG Nvidia - 42302e31 20060711

Processor Description:
AMD Athlon 64 3800+

Processor Clock Speed:
2400 Mhz

Power Supply:
Okia / 450-Watt / ATX / 80mm Fan / 20/24-Pin / Power Supply:x:
Okia 450-Watt ATX 80mm Fan 2024-Pin Power Supply OKIA-450ATX at TigerDirect.com

Memory:
1gb

my case is:
ATX Liquid Case-Black
ATX Black Mid Tower Computer Case w/Bubble Lights at ATX Cases.com

Video Card:
Integrated. GeForce 6100 256mb


Ok my upgrade plan is really simply:


i'm looking to buy this one:

> Corsair CMPSU-450VX 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan

NCIX.com - Buy Corsair CMPSU-450VX 450W ATX 12V 33A 24PIN ATX Power Supply Active PFC 120MM Fan - CMPSU-450VX In Canada.


My reason for buying this new one is that i'm also looking to buy this:

> EVGA E-GEFORCE 8800GT 600MHZ 512MB 1.8GHZ DDR3 PCI-E Dual DVI-I HDTV Out Video Card

NCIX.com - Buy EVGA E-GEFORCE 8800GT 600MHZ 512MB 1.8GHZ DDR3 PCI-E Dual DVI-I HDTV Out Video Card - 512-P3-N801-AR In Canada.

and these:

MEMORY STICKS:
Kingston HyperX PC2-6400 2GB 2X1GB DDR2 800MHZ CL4-4-4-12 240PIN Dual Channel Memory Kit
NCIX.com - Buy Kingston HyperX PC2-6400 2GB 2X1GB DDR2 800MHZ CL4-4-4-12 240PIN Dual Channel Memory Kit - KHX6400D2LLK2/2G In Canada.

Because they are the best ones for my particular motherboard..specified in the motherboard guide.


Ok now so i want to know if everything will fit and be good for my computer.

thanks in advance. have a good day/night.