http://www.crazydomains.com.au/ In Australia Are great. Its only $9 for a .com and $7 for a .net. Their hosting plans are great as well. Pretty much nearly everything in the packages is unlimited and for as little as $2.50 a month. Suggest you check them out
Name.com. I also used Godaddy and Namecheap before, but now all my domain are registered entirely with Name.com - Dynashox -
I won't say which registrar is the best one, but, when you choose domain reigstrar, please take the following three points into consideration, #1. Does it offer quality products, like registration process friendly, instant effect, paypal acceptable, good interface, API Mode, etc. ? #2. Does it offer affordable prices, USD 6.52 dot com, net, org reseller price and favorable market price ? #3. Does it offer quality services, like helpful account executive, 7/24 technical support ? Hope you can find a domain registrar best suitable for you.