Hi, i've been searching around the net about external hdd. For the main purpose is video and graphics editing. I'm using a macbook pro with thunderbolt, firewire and usb 2.0 connection port. Since thunderbolt is pretty damn expensive, i'm left with firewire. Can anyone comment about firewire performance for video editing? any lag/slow/playback/etc... I've set my eyes on Western Digital My Passport Studio. Any users care to comment? Currently i'm using western digital my book 1TB. With only a usb 2.0 connection though. Thanks.