In CanadianEMR there is a whole section devoted to disussion Exam Room configurations and set up of the equipment for EMR systems in primary care settings.  Everthing from screen orientation (whether to allow direct view by the patient) to hardware brackets for mounting the computer is open game in this section of the site....many worthwhile hints from pioneer implementors can be found at:
http://emruser.typepad.com/canadianemr/b_exam_room_configurations/index.html