Any ebook reader capable of supporting ADE protected epub books can use overdrive. Heck, if you want to read on your computer, Windows and MacOS can both run Adobe Digital Editions (ADE). For a complete list of ADE supported devices, go here
http://www.adobe.com/products/digitaleditions/devices/. You can also check out
our wiki's ebook matrix to see what supports it (look for Adobe in the supported DRM formats)
If you're still in want of a Sony, check out this to find the best deal.
http://www.google.com/products/catal...DgA#scoring=tp