Well I figured this should come at the end! so I resent myQs.
Thank you all.
The OWCs are cheaper than G-Technology and offer backup software. what would I lose if I go with OWC?
Should I get the ones including the eSATA? Would this help with the rendering or playback issues? (Considering I might have to get a eSATA-to-SATA bracket/cable-adapter, since I can