November 20, 2012
Used it briefly for a temporary site in 2007 but most of my experiences with it have been within the past year.
Moderate - Medium - Grande
Probably Buddypress. I do, however, really appreciate the integration StudioPress plugins have with Genesis Themes.
CMS Builder by Interactive Tools (small commercial product that I've used for years). From what I've seen of Advanced Custom Fields it's a lot like working with it.
I manage the operations and marketing for a small real estate team. Prior to that I spent 15 years in technology sales.