There's another automated aggregation service out there - memeorandum. Scoble was finally able to break the news as it launched - he was given early access, apparently. Right now it's doing aggregation in two areas:
I just subscribed to the tech news service in BottomFeeder, and I'll have to see how it works out. One thing that's going to limit my interest - the aggregated items are extracts, not full items. That makes sense, as ripping content from someone else's site via a robot is anti-social - but on the other hand, it means extra steps for me as an end user. I'll see what I think after a few weeks of usage.