new rig any thoughts?

[soorma07]

i've put thogether this rig and kno i haven't done everything right. i'll put in the parts and where i got them and hopefully pics soon too of how i put the together. now the main issue i have is my 1kg heatsink and the fact that i have my case upright. any thoughts on it will help.

NEWEGG
Western Digital Caviar SE16 WD2500KS 250GB 7200 RPM SATA 300 MB/s Hard Drive - OEM $115.00
ABIT AN8-ULTRA Socket 939 NVIDIA nForce4 Ultra ATX AMD Motherboard $114.00
AMD Athlon 64 3700+ San Diego 1GHz FSB Socket 939 Processor Model $233.00
pqi TURBO 1GB (2 x 512MB) 184-Pin DDR SDRAM DDR 400 (PC 3200) Unbuffered Dual Channel Kit System Memory Model $112.55
HIS Hightech PQ80LNV-4I-ZPC Radeon X800XL 256MB GDDR3 PCI Express x16 IceQ II Turbo Video Card $279.00
ASPIRE ATX-AS500-SV 12V ATX12V 500W Power Supply $58.00
Logitech Cordless Desktop Optical 967320-0403 Black PS/2 RF Wireless Standard Keyboard Mouse Included $24.95
PLANTRONICS Audio 90 3.5mm Connector Stereo Headset $20.00
NEC Beige IDE DVD Burner Model ND-3520A BG $37.99
LOGISYS 80mm Sleeve Blue LED Light Case Cooling Fan $3.49
ASPIRE 80mm Case Cooling Fan $1.99

XOXIDE
1. $79.97 Aspire X-Cruiser - Silver Thermally Advantaged Case
2. $5.99 Dual UV Cathode Kit

SVC.com

Cooler Master KHC-V81 Hyper 6 Copper Heatpipe CPU Cooler for AMD K8 $ 27.99
PC Toys 36" Dual Device Round ATA/IDE 133 Cable - Silver $1.99
Cooler Master 24" UV Floppy Cable - Purple $0.99
Nexus Anti-Vibration Mounting $19.99
Antec PC Noise Killer Kit PCNKIT-77 $13.99
Thermaltake Fan A2330 Silent A2330 $ 8.99
Wheel 130mm Fan 54.4 CFM/16dBA
Logisys LT402UVB 80x25mm LT402UVB 1 1.99
Blue UV Reactive Case Fan
34.85CFM 26dBA
Thermaltake Blue UFO Series LED Fan 26.8/81.2CFM 17/47dBA 14.99
Thermaltake 120x25mm Blue Thunderblade LED Case Fan 78CFM 21dBA 3.99