I am having a solid surface countertop company come to the mh and make a template. For the removal of the existing, my biggest concern is that the particle board is screwed down to the tops of the cabinetry first and then the laminate glued in place. So, I pulled out some drawers and took off a cabinet door to really look inside to see how it was constructed. There are no real cabinets, only frames w/ drawers and a door along the front. Inside the space is all open. Hard to explain. But I did see cleats all around the inside perimeter with screws going into the top from the bottom and screws going into the frames from the back. All the screws should be fairly easy to remove once I pull the stove and sink. Thanks for the suggestions and insight