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Bestbuy.com has the Western Digital - My Book Home 500GB External Hard Drive on sale for $134.99. Original price was $219.99. Pay $6.50 for shipping.

Description:
* 500GB maximum storage capacity
* USB 2.0, FireWire 400 and eSATA interfaces
* Maximum data transfer rates up to 480 Mbps via USB 2.0; up to 400 Mbps via FireWire 400; up to 3 Gbps via eSATA
* 7200 rpm for fast read/write times
* Provides continuous and automatic backup of your important digital media
* Ideal for big video editing projects, archiving your music or organizing digital photos
* Includes USB cable, FireWire 400 cable, AC adapter and quick installation guide
* Compatible with Mac and PC
Final Price for this deal: $134.99 + $6.50 shipping