Top 5 Domain Name Registration Services

After attempting to renew one of my .org domains and being charged ~$19 by GoDaddy, I have chosen to move my domains away from them. I'm getting a little tired of wasting time hunting for coupon codes every time I have to renew. These are the registrars that I am looking at based on this fantastic article from Life Hacker.

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Name Cheap
Gandi
Name.com