TechRestore today announced that they have begun offering a 160GB upgrade as part of their overnight hard drive upgrade service for PowerBooks, iBooks and PC Laptops. The service includes overnight pickup of the customers laptop from any location in the continental United States, installation of the new drive with data transfer within 24-hours and return overnight shipping back to the customers location. In addition, the customers old hard drive is returned so that they will have a backup of their data. The customer can choose to have their old hard drive installed in a portable case for US$19.99. The 160GB overnight upgrade is $489 including the drive, all shipping costs and installation.