Staples offers the Seagate 1.5TB FreeAgent Go Flex USB 2.0 External Hard Drive, model no. STAC1500100, for $79.99 with free shipping. (Select the 1.5TB Drive from the pull-down menu to see this price.) That's $0.05/GB, tied with our mention from last month, and the lowest total shipped price we could find, this time by $20. Sales tax is added where applicable.