It started as a simple question. "Should I keep them [a small group of sites]as separate installs or make a multi site - which I've never done?"
I have several sites setup as multisite. All are for clients that have several domains running. So I'm familiar with the process. And when I worked at Business Objects we ran our subdomains on a multisite installation. But several days ago I decided to make some changes.
I have ten or so small sites - almost brochure like. That were getting to be a pain to keep updated. So I did two things: