besides from being the cheapest, I think godaddy is still the easiest to handle, you might save some money with some yahoo domains in the first year, but they are gonna get you in the following year, you can renew domains at godaddy at bulk for $6.65 as well, in most cases the handling of domains at cheap registrars is painful and transfers are tricky etc, you might wanna check out the discusion in the registrar section as you posted this in the wrong section