In the never-ending search for bigger and faster storage options, Mac users have a number of sources for hard drives, but OWC has been a favorite for many Apple fans since the late 1980s. Now the company is offering a set of turnkey eSATA add-ons and upgrades for mid-2010 27" iMacs that should make almost any space-challenged Machead happy.
The upgrade paths are all outlined on a special configuration web page on OWC's site. It all starts with an internal boot solid-state drive. If you already have the 256GB internal SSD option installed in your iMac, then you're ready to go -- if not, then you move on to the next step, which is to add either an eSATA port or an internal SSD.
You then have the option