So I've been thinking of starting a free WPMU site and listing it here and on some other sites so people can use it to set up autoblogs, etc. This would be a benefit to others because they'd get another free platform and I'd benefit because 1 - I would include occasional ads on the blogs and 2 - I would include a butt-load of template choices and encode backlinks in the footer so I'm getting backlinks to all my sites/pages from the random blogs that area created. I'm wondering though what kind of hosting I'd need for the WPMU install assuming I get a few hundred/thousand blogs created on the site. Also, does the backlinking/CPA plan make sense? I was thinking of doing some sort of revshare program for the ads. Thanks for any feedback.