Yesterday I presented to some of our key M&E product suppliers on the benefits of supplying their components to the Revit community. Some of them have already started to, and the rest are extremely interested in converting. We will keep you up to date on any that release families, but in the meantime please find a couple that were given to me.

http://www.zumtobel.com/com-en/service.html#revit

http://www.ventaxia.com.au/projects-news/new-revit-files-loaded/

http://www.cooperindustries.com/content/public/en/lighting/resources/design_center_tools/revit_files.html

http://www.fagerhult.com/indoor/planering/download.asp