Ok, so I've recently picked up this site:
http://www.ajaxwhois.com. It's a combination of Whois and domain search that offers live search for availability,
every TLD in the world, and supports Chinese/Japanese/foreign characters as well.
I want to make this site into one
domainers want to use. Tell me what your favourite services are right now (whois, domain search, etc.) and I'll look into integrating them to make a better site for all of us.