Not an archive, but R-weekly (@colin et al) have been doing a great job with this type of taxonomy of incoming content.
^ So many, in fact, that the real challenge moves away from sheer aggregation and into navigability and curation… I think there's a tendency to want all the things in one place that can be a bit self-defeating. Don't get me wrong, I'm obviously all in favour of having easy access to new material, it's just that I think a desire to capture everything isn't always a useful launching point.
I'm not against the idea, and there are definitely some voluminous roundups out there. Just some thoughts on the nature of aggregation, automation, and navigation…