If you make the upgrade to a faster SSD, an enclosure like the MS12 can effectively convert your old drive into a portable SSD, with speedier performance than what you would get from a typical USB ...

My iMac is limited to USB 2.0 or Firewire 800. I don't particularly want to open it up, so I'm considering adding an external SSD. Would putting one of these (or something similar): ...

What you need to know Seagates new SSD storage options for Xbox recently leaked. At least one of them, the 1TB USB option, is now official. It drops this month in October for $169.99.