Taxonomy View Customizable by end-users

Hi,

I'm looking for a module that would allow registered end-users to Customize what kind of news they will see. The best example of this is on Digg.com where users can choose which topics they want to see. So they can easily opt out of seeing the latest news about the topics (taxonomies) that they couldn't care less about. And they can save that setting in their settings page.

What is also cool about Digg.com is that it (optionally) lets you choose a particular taxonomy (i.e. World News) as your starting page. And t would be really cool to replicate that sort of functionality on my community site.

Reddit.com also has a similar feature, which allows even the non-registred users to customize their river of news through a sidebar block with checkbox options.

The recently launched BBC front page also allows you to customize which news you would like to see. But one doesn't have to register with BBC to do this, so I guess they're doing it through a cookie which means that if a user access it from another computer, he/she will loose the settings. This is a major drawback.

I don't know all that much about Drupal's numerous taxonomy modules. The closest that I came to (at least by description) is Taxonomy Sifter http://drupal.org/project/taxonomy_sifter _BUT_ it's only available for 4.7.

Can anyone help??? Is there such a module for 5.x and 6.x ??? Any suggestions, pointers, advices really appreciated!