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There is the UK Blogs Aggregator:

http://aggregator.weblogs.co.uk/

but I don't think that's what you're looking for. I think you're stuck with desktop software...
Darren - Wed 11 Jun, 17:27:47

I'm trying out Feed On Feeds, which is a server-side aggregator that displays your feeds on a webpage.

http://minutillo.com/steve/feedonfeeds/

The script for the pyblagg aggregator is also available; that looks the most like what you want.

http://vsbabu.org/tools/viewcvs.cgi/pyblagg/

I don't know of anyone who will set up this sort of page on your behalf.
Leonard - Wed 11 Jun, 18:02:13

There is a Danish aggregator at http://blogbot.dk - and http://metablog.dk has a not-especially-similar service.
Ole - Thu 12 Jun, 14:34:33

Now wait, does this go to the livejournal automatically? Or how would I do this?
(PS: I'm not only running, I'm running with scissors.)
Chloe - Sun 15 Jun, 16:19:43

The Livejournal feed just takes the RSS of the weblog posts and regurgitates it - it doesn't copy the comments across, if that's what you mean.
Kevan - Sun 15 Jun, 20:29:57

New comments have been disabled for years, now, as this blog is no longer updated. Sorry.