Newegg has the Western Digital Caviar SE16 WD6400AAKS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive for $70 with free shipping. Use coupon code EMCLVLV34 to knock it down to $60.
Specs:
- Brand: Western Digital
- Series: Caviar SE16
- Model: WD6400AAKS
- Interface: SATA 3.0Gb/s
- Capacity: 640GB
- RPM: 7200 RPM
- Cache: 16MB
- Form Factor: 3.5"
- Parts: 3 years limited
- Labor: 3 years limited
Newegg.com - Western Digital Caviar SE16 WD6400AAKS 640GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive - Internal Hard Drives
Western Digital Caviar SE16 WD6400AAKS 640GB 7200RPM SATA Hard Drive $60 + FS 
