Buy.com has ASUS Silent Square EVO CPU Cooler - SILENT SQUARE EVO - $20.99 (AR) + free shipping.
Features
Extremely quiet at a mere 22dBA
Waved fins enable maximum heat dissipation that lower CPU temp by 20-30%
Universal clip design for easier installations
Tech Specs
CPU Support
Intel Core2 Extreme/Core2 Quad (Quad-Core)
Intel Core2 Duo/Pentium Dual Core/ Pentium D (Dual-Core)
Intel Core2 Duo/Pentium Dual Core (Dual-Core)
Intel Pentium 4 HT/Celeron D
AMD Athlon 64 FX
AMD Athlon 64 X2
AMD Athlon 64
AMD Sempron
CPU Socket
Intel LGA 775
AMD 754/939/940
AMD AM2
Dimensions (L x W x H)
120 (L) x 105 (W) x 146 (H) mm
Net Weight (g) 745 g
Heatsink Material
Cu. Base + Al. fins + 5 Heat Pipes
Fan
Dimension (mm): 92 x 92 x 25
Bearing Type: Vapo
Connector: 4 Pin with PWM Control
Speed: 2300 rpm 10%
Max. Airflow: 36.5 CFM
Max. Air Pressure: 2.8 mm-H2O
ASUS Silent Square EVO CPU Cooler - SILENT SQUARE EVO - $20.99 (AR) FS 
