Kotaku did a radio session and spent a lot of time talking about it. There are some good opinions from them and from some of the callers as well.
http://kotaku.com/5386750/the-good-bad-and-ugly-of-the-modern-warfare-2-server-decision
I don't recall for how long, but they spend the first chunk of the show talking about video game guide writing and such before they get into Modern Warfare 2.







