Newegg has Cavalry CAXB Series 1TB USB 2.0 / eSATA 7200RPM 16MB Cache External Hard Drive for $79.99 + free shipping.
($79.99 after $12.00 Mail-In Rebate pdf )
Model
Brand Cavalry
Series CAXB Series
Model CAXB3701T0
Performance
Interface USB 2.0 / eSATA
Capacity 1TB
Cache 16MB
RPM 7200 RPM
Physical Spec
Form Factor 3.5"
Features
Features Plug & Play for Windows 2000 and newer (Preformatted to NTFS)
Transfer rate of 3.0Gbps (eSATA) or 480Mbps (USB 2.0)
Hard drive activity LED
Aluminum case
Packaging
Package Contents 1 TB 3.5" SATA II hard drive inside an aluminum USB 2.0/eSATA enclosure
USB 2.0 cable
Stand
Power adaptor
Cavalry CAXB Series 1TB USB 2.0 / eSATA 7200RPM 16MB Cache Hard Drive $79.99 AR FS 
