Trans Intl. offers the ProStor525L 1.5TB (2 x 750GB) eSATA / FireWire 800 & 400 / USB External Hard Drive in 15″ or 17″ for $198 with free shipping. (Scroll down and click on the drop-down menu to find them.) That’s the lowest total price we could find for either size drive of this form factor. These FireWire Bus-powered drives are designed to fit under a MacBook Pro 15″ or 17″, but can be used with any Mac or PC.