Gartner has published their 2010 assessment of 27 leading Business Process Management Suites. Titled “Magic Quadrant for Business Process Management Suites“, you can get it here (not free). For more details (freely available), see this.
If you are an Adobe customer, your Adobe account manager can now provide you with a copy of this report. Please contact that person.
For Adobe’s thoughts on this, see blog entry by Senior VP Rob Tarkoff.