Godaddy - Get domain name in $5.18 - Coupon - 7 Sept Expiry
I just bought a .com domain in just $5.18 using the code: GRAVITY5
The only catch is that you can't by it using PayPal. All other modes of payments CC, DC, Cheque are accepted.
Limited to one order per customer, expiring after 5,000 redemptions or on September 7, 2009 (whichever comes first).