Until June 05, 2008, you can buy a new domain at MyDomain.com for only $6.99. Use coupon code: 699DOMAIN at the end of checkout. This is valid on purchase of one $6.99 new .COM, .ORG, .NET, .INFO, .BIZ or .US domain registration for 1 year.
Besides this, you can:
Use coupon code: VPS15 for 15% off any VPS hosting plan.
Use coupon code: DOMAINHOST and get 1 new domain at no cost with purchase of any VPS hosting plan.
Remember, domains are available from WebberZone Domains from $7.95 onwards.