Genghis
You seem to have some doubt about the flying ability of this fellow. I would suggest you start with a handling review, but a bit of care needs to be taken as a new aircraft with a new instructor in a new area will probably not bring out the best in your student. What I would look for in these situations is more of a good attitude in terms of being receptive to advice and a sincere desire to improve rather then pure flying skills. Obviously there is a minimum competence level that must be there, but even quite a bit of less than great flying does not necessarily mean it is a show stopper. That and a bit of actual improvement through out the first flight will set the stage for a successful checkout. On the other hand an unwillingness to accept instruction and an argument about everything makes the process a whole lot more problematical.
It is also very important that after the first assessment flight you sit down and draw up a training plan with clear milestones and expectations.