The cabinets are from late 70's, they are particle board with plastic surround. Their faces were paper with a dark wood grain.While painting the house I decided to paint the cabinets and surrounding support areas. I used a airless sprayer, but it did not go on uniformly and looks bad. In addition there are a couple runs ect. Is there anything that can be done or should I look at replacement cabinets? It would be a lot of area to try to sand even if I did I'd be back trying paint them once again. Thanks!