Newegg.com's shell shocker deal of the day for today is on the Western Digital My Book Essential 640GB external hard drive (model no. WDH1U6400N) for $69.99.  That's $20 off their regular price of $89.99 and the lowest price we have seen on this external hard drive by about $40.  FREE shipping is included and sales tax applies for residents of California, New Jersey, New York, and Tennessee.

Western Digital's My Book Essential gets high ratings from current owners for ease of use, fast speeds and overall reliability.  Get a portable model, the WD Passport Essential 750GB external hard drive for $149.99 with $1.99 for shipping at TigerDirect.com.  Get the compact and efficient LaCie 1TB hard drive for $99.99 with FREE shipping at JR.com. Buy.com this week has reduced the price on the Iomega eGo 1TB hard drive from $129.99 to $99.99 with FREE shipping. Or get the most storage with the Western Digital Elements 1.5TB external hard drive, now only $129.99 with FREE shipping at Newegg.com.