Namecheap has just announced that once 20,000 tweets have been achieved before June 2nd 2013, they will enable for 24 hours from June 3 00:00 EST, all domain registrations and transfers for just 0.98 Dollars each for one whole year.
Link: https://www.namecheap.com/deals/20000-retweets-0.98-domains-june-2013.aspx