Academic Technology checks out digital audio recorders for faculty members wishing to make audio recordings. These recorders are USB devices that utilize flash RAM, meaning that you record digitally on them, and then connect them to your computer to transfer the files.
The current version of the Olympus digital audio recorder is the WS-700M. Both the 700M and the WS-600S, record in WMA or MP3 format natively. Several are available for checkout.
Below are links to the documentation and manuals for the various voice recorders we have checked out over the years [PDF]: