This Hard Drive

EagleBit.com has the Western Digital Caviar GP WD10EACS 1TB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive for $169 + $1 shipping = $170 shipped. This a brand new drive covered by the original 3-year warranty.
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Buy.com has the CMS Products V2ABSCE160 160GB 5400rpm USB 2.0 External Hard Drive $141.99 Shipped after $10 off $200 new customer coupon and $50 Exclusive Mail-In rebate (Expires 07/31/2008).
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Buy.com has the Buffalo HDPS320U2 MiniStation 5400rpm 320GB USB 2.0 Portable Hard Drive $114.99 Shipped after $5 off $100 new customer coupon.
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Buy.com has the Iomega EGo Hi-Speed USB 2.0 160GB Portable External Hard Drive - Silver for only $79.99 with free shipping.

Product description from Buy.com:

Take files anywhere, in style, with the Iomega eGo Silver Portable Hard Drive USB 2.0 - an extremely durable drive which includes patent pending Drop Guard feature to withstand the toughest of travel environments. Available in 160GB capacity, it ho!
lds up to 640,000 photos, over 2,900 hours of music and 240 hours of video. Plus, the Iomega eGo Portable Hard Drive requires no external power supply and includes a free EMC Retrospect HD backup software license.

Super Durable - Extremely durable with Patent Pending DropGuard feature

Stylish & Compact - Ultra stylish - fits easily into a briefcase or purse

Easy-to-use - USB powered, no external power supply required

Secure EMC Retrospect HD software license included for file backup (software via download)

Tech SpecsFeaturesCapacity: 160GB Preformatted and hot plug-and-play No AC adapter needed Compatible with PC and Mac? USB 2.0/1.1 compatible Transfer rates up to 480Mbits/s USB 2.0 Includes backup software license for software via download (PC only) One-year limited warranty

PC UsersPentium? II-class or equivalent processor or higher Built-in USB connection Microsoft? Windows? Vista** / 2000 / 2000 Professional / XP Home / XP Professional / !
XP Professional x64 USB 2.0 host connection or controller for USB 2.0
speeds 256MB RAM or higher as required by operating system

Mac UsersG3 or higher computer (blue and white G3 only) with built-in USB connection Mac OS X 10.1.5 or above USB 2.0 host connection or controller for USB 2.0 speeds 128MB RAM or higher as required by operating system

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Buy.com has the Cavalry 1TB USB 2.0 3.5 Inch External Hard Drive W/ One Touch Back-up $174.99 Shipped after $5 off $100 new customer coupon.

Product description from Buy.com:

There are a myriad of 3.5? external hard drives on the market and the Cavalry product experts are familiar with all of them. Ho!
wever this one is exciting! What turned their heads about this Cavalry External USB 2.0 One Touch button operation was its remarkable set of features.

The Cavalry offers One Touch back up data file operation at your fingertips! Should you wish to back up your files, just press the one touch backup button for a few seconds and all of your files are safe and secure.

The external hard drive boasts exceptional heat dissipation, remarkable durability, state-of-the art shock absorption, leading-edge versatility and superior all-around performance. This handy unit is protected by a solid aluminum body. The aluminum chassis also offers superior heat dissipation to keep the hard drive operating at a safe and cool temperature. Its stackable design gives you a streamlined, uncluttered workplace and the hard drive?s active LED read out indicates power, data access and one touch back up button.

FeaturesBack up all of your files with the push of a button Plug & Play for Wi!
ndows 2000 and newer.Slim, lightweight design Stackable designSilver a
luminum case has exceptional heat dissipating abilitiesHard drive activity LED

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Newegg.com has the Western Digital My Passport Essential 5400rpm 320GB USB 2.0 Portable External Hard Drive With 2MB Buffer Cache for only $105.99 with free shipping.
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SuperMediaStore.com has the Toshiba MK3252GSX 320GB SATA/300 2.5″ Laptop Hard Drive for $119 with free shipping.
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NewEgg.com has the Apricorn DriveWire Universal Hard Drive Adapter with Cloning Software for $30 - $10 rebate (Expires 7/14) + $7 shipping = $27 shipped. It allows you to clone your original hard drive to a new hard drive with the included EZ Gig II Cloning & Upgrade software.
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EagleBit.com has the Eagle Consus E-Series 250GB 7200rpm 16MB cache USB 2.0 to SATA2 External Hard Drive powered by Western Digital Hard Drive for $55 + $2 shipping = $57 shipped. Covered by a 1-year warranty.
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CompUSA.com has the Seagate FreeAgent ST310005FPA1E3-RK 1TB External USB 2.0 + FireWire + eSATA Hard Drive for $200. Add something else to get above $200 - $20 off $200 using PayPal = $180 + shipping. Shipping runs between $11 and $16 based on your area. The drive runs at 7200RPM. As with their internal drives, this external drive is covered by a 5-year warranty.