name.com is slightly cheaper $8.25 (transfers only, expensive renewals)
godaddy $8.17 (transfers only, expensive renewals)
namesilo $8.39 (use coupon: "cheaper" or "save1now" for $1 off so $7.39)
if you are in the US only, hit me up and I'll show you a trick how to get an even better deal at godaddy...