They are the professional analysts whose job it is to research, keep track of, advise their clients, and opine to the media about the gaming business.
Analyze This cuts right to the chase: Rather than reporting on a subject, and throwing in quotes by analysts to support or refute a point, Gamasutra offers up a timely question pertaining to the business side of the video game industry and simply lets the analysts offer their thoughts directly to you. Each person's opinion is his own and will (probably) not necessarily agree with their fellow colleagues'.
The Sony PSP has been out for over two years, and has sold over 24 million units. Yet sentiment for it remains mixed: Gamers and developers appear to put up with it, but not clamor for it. And a recent rumor has it that one major retailer even threatened to stop selling it (if Sony didn't initiate a price cut, which is did this month). At best, it's been characterized as a mediocre success.
Gamasutra.com asked David Cole of DFC Intelligence, Ed Barton of Screen Digest, and Mike Wolf of ABI Research: