Web 2.0 directory online..

Sacred cow dung has created an online directory of Web 2.0 applications. It is still in it's Beta version but has an open directory structure that should make it easy for people to add applications, test them and review them.
The site looks failry comprehensive with a number of different listings such as: "new listings", "most popular" & "most reviewed".
While it will suffer from the usual problem that directories have (it will never be complete) it is a good resources and will give an indication of the applications that are being developed.

E.