I was thinking about the recent post on the expanded capabilities of the import.module in CVS. I believe, and tell me if I'm wrong, these changes will allow Drupal to act as a blog hub, a central node in a blogging community operating quite differently from current community weblogs. It may be that the developers have imagined this already, but I've written an extensive description with some analysis that could be informative. If I'm right, there are many potential advantages:

The blog hub, then, is a specialized archive for a community of bloggers which reduces the load of blogging everything to an individual's blogsite; cuts down on aggregation reading; still allows for everything of importance to be "captured" by a researcher/enthusiast; increases community interaction through centralized commenting; acts as a focal point for collaborative projects, from software production to teaching a class; and, as a collected community archive, works as an entry point for people new to or with a sudden interest in a given field.

Read the full explanation with the configuration description, A Blog Hub: Using Drupal to Create a Better Community Weblog.