This article is a little old, and before the event, but it brings up a few points of interest:

http://theconversation.com/a-juggernaut-like-the-nhs-wont-find-it-easy-to-drop-windows-for-open-source-but-it-should-29192

Probably the big one I think we missed was end-of-lifing a product, that's technically not possible with a free software product. In practice though, if the community around a project dies off, it's hard to maintain something.

cheers,

--
Clinton Roy
Software Developer
Netboxblue.com
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