AT&T Wireless is having a 24 hour sale on the Ogo. They are offering an $80 Instant Rebate, which brings the price down to $49.99. Combined with an existing $30 mail-in rebate, the total price is $19.99 before shipping and tax.
Also, a free case is included with all online orders.
Ogo $30 Mail-In Rebate (PDF)