For DV and HDV editing, I’ve had 5400 drives that worked fine…and I’ve had 7200 drives that were really problematic. There seem to be a lot of variations in QC among different brands.
People seem have favorite manufactures and those that they advise others to avoid like the plague – perhaps in part just reflecting luck of the draw.
For my part, I’d not be inclined to vouch for the reliability of anyone’s brand, but I might suggest that you take into account the quality of their support response. I have, for example, found OWC extremely responsive and competent. At the other end of the spectrum, I have found G-Tech to be very unresponsive.
Your milage may vary. Good luck.