Runway signage, runway signage, runway signage. The Feds are quite particular about avoiding runway incursions, and with this in mind you can expect your examiner to ask you at least several questions on this topic. Your examiner will most likely expect you to have all the exact signage nomenclature memorized as well as being able to correctly interpret the information they convey.
Make certain you’ve read all of the FAA’s latest publications that have anything at all to say about each of the subject areas that were covered on the written.
Be aware that the best answer to the question “what should you do to get out of wind shear (or microbursts)?” is to avoid getting into it in the first place.
Runway signage, runway signage, runway signage.
Know the METARS codes for as many weather phenomena as possible off the top of your head.
“I’m not sure, but I know where to look” is NOT an acceptable answer.
Did I mention runway signage?
Keep in mind that aerodynamics and performance related questions are asked with typical GA aircraft in mind, so don’t haul out “heavy-specific” stuff.
Don’t automatically plan your assigned cross-country flight plan direct; that route may not be your best choice. Be prepared to explain precisely why you chose the route you did.
Runway signage again. Do you get the impression some examiners enjoy hammering that one?