Honda Manual transmission fluid is the best choice, you can get it online or pay a bit more at a dealership but get it the same day and not pay shipping.
Standard plug wires from the parts store should be fine and NGK V-power plugs are most likely stock and according to the SAE papers, the best choice for gas mileage, they however tend to only last 15,000 to 20,000 miles so you have to decide if you want to change plugs or have the best spark.
When they changed the timing belt did they change the water pump as well?
I agree on not needing power steering on a car that light, swapping to a manual steering rack is ideal.
PCV valve is located under the intake manifold, you just need someone with small hands or a long set of needle nose pliers.
In the drawing, the PCV valve is part #3