http://instantdomainsearch.com/ What makes this tool unique is you just enter the domain in the search box and it tells you instantly if the .net and .com domains are available. You don't have to push enter or anything, so you can keep editing the field until you find an available domain name that you like Very cool coding, all done in Javascript somehow
Thats neat, faster than using godaddy and hitting back over and again. Only thing that would make it better is a suggestion.
I've used http://www.whois.sc/ in the past for suggestions--it can give you a decent list of names, and will tell you if the .com, .net, .org, .info, .biz or .us are available. Toonces51