Feedication is YAFA (see also netvibes, start.com), but again uses all the wrong information - it takes your usernames for a bunch of popular social software sites and displays all your photos/lists/bookmarks etc.
This is the information I want to aggregate: I have a bookmarks folder, opened in separate tabs, that contains my del.icio.us inbox (links from other people), photos from my Flickr contacts, latest world news, what my Last.fm contacts have been listening to, plus a torrent feed aggregator. These things are harder to build presentation modules for, so I just use the original pages from each site, but building a modular portal page using Greasemonkey might still be a possibility.
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Yet Another Flippin' Aggregator?
I think there are different times when you'd want to see both sets of information. For example netvibes allows you to add arbitrary feeds so you could syndicate your current bank statements etc. to it (although of course, you wouldn't want to do that on a hosted service).
I think that seeing your own output is one stage, the next logical one is displaying your contacts' output. It's all fun.
It was F for Feed, originally, but either will do nicely.
I think that the main problem is that they're just collecting and displaying standard XML feeds, whereas in most cases the data needs a lot more manipulation, specific to each feed, to be presented usefully.
ah I see.
In which case, is it a matter of splitting up the content by source or media type?
By source, probably, but it's going to be hard for one central site to build presentation modules for every source's feeds. Could do the most popular though, I suppose.