Amazon has the Verbatim Leather Wallet 640 GB 2.0 USB Portable Hard Drive
for $58.83.
Link: http://www.amazon.com/gp/product/B004BLIQ5K/ref=s9_simh_gw_p23_
Not that much more expensive than some of the recent WD 640 GB deals if you
don't pay tax with Amazon, you save money on buying a case, and it could be
an interesting project installing it in a laptop.
