...but you might also look into buying new stuff. IKEA has cheap stuff that looks at home in the garage. I got this one, which has a solid wood countertop:
Click the pic for more info. There are other freestanding items in that same family in case I want to expand in the future. One of them has the large cupboards instead of the shelves I got. I also got the optional stainless steel drawers that fit under the unit on the floor.