I would recommend keeping your host & registrar separate, that way you're not tied to a host - which, of the two, is the most likely to cause problems at some future date, or you may just want to change to a better, cheaper, or more elaborate host at some point.
-------------------- TFC 'Going to trial with a lawyer who considers your whole life-style a Crime in Progress is not a happy prospect.' - Hunter S Thompson (1937-2005)