newegg offers the Sans Digital TowerSTOR 1-Bay SATA to USB 3.0/eSATA Hard Drive Enclosure, model no. TS1UT+B, for $49.99. Coupon code "0910BTS78" cuts it to $24.99. With free shipping, that's the lowest total price we could find by $28 and the best we've seen for this enclosure without a rebate. (We saw this enclosure for $5 less after rebate in June.) It houses one 3.5" drive with a maximum capacity of 4TB. Deal ends September 16.