Buying new appliances is often the first step to update your kitchen, like built in cook top, stove, convection oven and microwave.
New counter tops are great, and then consider new back splash, lighting, sink and faucets. Oh the number of choices in faucets. Cabinets are a good starting point then the rest will follow.
So, the best starting point is a list of new items for your kitchen. Then go shopping.