KITCHEN. Though the space of your dwellings will likely vary, the kitchen is the place that will stay most constant, and your needs within it. Know what you love out on the counter, and know what you need to keep hidden. When you enter a new kitchen, you'll have a system to start from and the unfamiliar territory will become familiar quickly. Changes in layout and appliances can then be a fun and invigorating challenge, not something completely disarming.
Here's something similar. This is the centerpeice of the kitchen, that's for sure!