This deal has ended.
Regularly $170, Buy.com has the 320GB Western Digital My Passport External Hard Drive (in the pictured blue) priced at $119.99. Shipping is free and there is no sales tax (except CA, MA, MD, TN). This model is compatible with either PC or Mac and substantially smaller than other drives with this capacity (it's just a bit bigger than an iPod). First-time Buy.com customers can use this $5 off $100 coupon.