Multisite: Autoblogging myself

Hi! Keeping in line with my theory that "if it's stupid and works, it isn't stupid", I decided to create an RSS feed of the user created sites using Recent Global Feed, then importing them into my front page blog using Autoblog.

This isn't horribly inefficient, and won't cause my server to explode, will it? If this passes muster, I'll likely be creating several feeds and doing the same thing.