Your plans and use are the primary reason to remodel a kitchen and to do something about the cabinets. While it is indisputably true that a fine new kitchen will help sell a home, the real question is if the cost of a new kitchen will net you a better price for the house.
In my opinion, a project as large as a kitchen remodel should be restricted to homes that you plan to occupy for 5 or more years. That way you will benefit from the remodel, and if you are lucky, the price of the home will also have increased by more than the cost of the remodel. If your plans to sell the house are shorter, then consider some minor repairs, paint and "elbow grease".
So if the cabinets are not functional for you, ask yourself why? For example: