Having used Outseta from their launch to today its been an amazing tool to have. Everything is in the one place from sales, marketing and support. Gone are the days of multiple products that cost the earth, Outseta does it all without fuss and complication.
Docs and help guides can lack in certain areas (Understandable with a small startup) but a quick email and the guys there are more than happy to help.
We have reduced our software costs by 2/3, reduced the amount of data moving to keep separate systems in sync.