Webware , a cnet site, that publishes coverage on all things Web 2.0, hosts a competition to spotlight 100 of the best web applications. The contest, called the Webware 100, breaks the categories up into things like audio, content, mobile, browsers and productivity.
Visit here to cast your votes. I point this out for two reasons, a couple of my favs are the lists (hint: NetBooks and Jott – go vote for them!) and I think this is a great place to learn about tools and services that you may have not as yet encountered. Webware does a nice job ongoing of uncovering new services and apps too.