I have been experimenting a t bit with A/T Ranger and P/P Engineer. For my part, it seems that the ranger is more effective with conditions, while also being easier to play. These are the Meta Builds, at least while I am testing them out, http://metabattle.com/wiki/Build:Engineer_-_Condition_Raids and http://metabattle.com/wiki/Build:Druid_-_A/T_Condition. I am still working to improve the rotation on my Engineer and so my initial perceptions may yet change, but I do find myself wondering if others share the same perception.
As far as utility goes, the engineer does have an edge, but at this point I find that the Ranger holds the edge for sustaining the condi damage (and the heals aren't that bad either).
Please share your thoughts, especially about the engineer rotation.