✔ 最佳答案
I'm not sure if you still count "facebook application" as a new thing. If no, sorry that I'm not aware of any new thing that are "top 10 hottest".
Below are some interesting sites which are not in your "don't give me" list, many of them may not be "new" unfortunately.
smugmug.com
lively.com
flixster.com
piczo.com
netvibes.com
linkedin.com
guru.com
Maybe you will be interested in the so-called Web 3.0
http://en.wikipedia.org/wiki/Web_3.0