+Molly Wood http://hover.com
. They allow you to just buy a domain, and don't push hosting on you. (They do sell email hosting services, though.) Also, they will refund your money on old domains you have with them, towards the purchase of a new domain. How many of us have domains we don't use, but have spent hundreds over the years?
They are owned by Tucows. The also offer "never put on hold" phone support, as well as a service to transfer your domains over the phone for you.