This is such a good post. I've been looking for recent posts like this but there are still so many analysts and vendors pushing the same old dross. www.contactually.com and www.fullcontact.com are systems I'd add to your list plus ours which is pipeline focused www.buildtracks.com Most of the SFA tools out there are way to complicated and over engineered with no ROI. Social contact management is the future - as well as just focusing on keeping things simple > "there are three fields that a sales rep cares about in his or her SFA tool: an opportunity’s close date (when he or she expects to win it), amount (the value of the deal), and probability (what are the chances that he or she will win it by the close date)".